20 Best 36 Led Light Bar [2024]

Are you looking for the best 36 Led Light Bar? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling 36 Led Light Bar.

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1 Nilight - 60010C-A 36 Inch 234W Led Light Bar Combo 24V 12V For Truck SUV Van Camper Wagon Car... Nilight - 60010C-A 36 Inch 234W Led Light Bar Combo 24V 12V For Truck SUV Van Camper Wagon Car...
2 LAMPHUS CRUIZER 36' 234W LED Flood/Spot Combo [30/60 Degree Spread] [Spot/Flood/Driving Light... LAMPHUS CRUIZER 36" 234W LED Flood/Spot Combo [30/60 Degree Spread] [Spot/Flood/Driving Light...
3 CREE LED Light Bar 36inch Curved 180W Single Row Spot Flood Combo 3D LED Driving Fog Lamp Off Road... CREE LED Light Bar 36inch Curved 180W Single Row Spot Flood Combo 3D LED Driving Fog Lamp Off...
4 Blazer International 111CWL536S 36' LED Single Row Off-Road Light Bar with Fog and Spot Beam Blazer International 111CWL536S 36" LED Single Row Off-Road Light Bar with Fog and Spot Beam
5 Partsam 6' LED Light Bar White 36W 6500K Super Bright Spot Work Light Pods Single Row Off Road... Partsam 6" LED Light Bar White 36W 6500K Super Bright Spot Work Light Pods Single Row Off Road...
6 lite-It 36 Inch Wireless Tow Light Bar with Amber/White Strobes lite-It 36 Inch Wireless Tow Light Bar with Amber/White Strobes
7 Blazer International CWL536D 36' LED Double Row Off-Road Light Bar with Fog and Spot Beam Blazer International CWL536D 36" LED Double Row Off-Road Light Bar with Fog and Spot Beam
8 Nilight - 60002F-B Led Light Bar 2PCS 36w 6.5Inch Flood Led Off Road Lights Super Bright Driving Fog... Nilight - 60002F-B Led Light Bar 2PCS 36w 6.5Inch Flood Led Off Road Lights Super Bright Driving...
9 Nilight - 10001S-A 36W LED Light Bar Spot LED Lights Led Bar Driving Fog Lights Jeep Off Road... Nilight - 10001S-A 36W LED Light Bar Spot LED Lights Led Bar Driving Fog Lights Jeep Off Road...
10 YITAMOTOR LED Light Bar, 36W 7Inch LED Work Light Flood LED Light Pods Off Road Driving Light Fog... YITAMOTOR LED Light Bar, 36W 7Inch LED Work Light Flood LED Light Pods Off Road Driving Light Fog...
11 Xprite 36' Rear LED Chase Light Bars, All in One w/Strobe Brake Reverse Turn Signal Light for RZR... Xprite 36" Rear LED Chase Light Bars, All in One w/Strobe Brake Reverse Turn Signal Light for RZR...
12 YITAMOTOR LED Light Bar 36W 15 Inch Flood Led Off Road Lights Super Bright Driving Fog Light Boat... YITAMOTOR LED Light Bar 36W 15 Inch Flood Led Off Road Lights Super Bright Driving Fog Light Boat...
13 AUXTINGS 36 inch 234W LED Light Bar Off Road Combo Beam 78x3w Work for Trucks SUV ATV 4x4 4wd... AUXTINGS 36 inch 234W LED Light Bar Off Road Combo Beam 78x3w Work for Trucks SUV ATV 4x4 4wd...
14 Auxbeam 4' Round LED Pod Lights, 36W Off Road Spot Lights Waterproof Light Bar with Super Bright... Auxbeam 4" Round LED Pod Lights, 36W Off Road Spot Lights Waterproof Light Bar with Super Bright...
15 6.5 Inch LED Light Bar with Breather, 36W Offorad Fog Lights Led Spot Lights Pods for Trucks Cars... 6.5 Inch LED Light Bar with Breather, 36W Offorad Fog Lights Led Spot Lights Pods for Trucks Cars...
16 Lin Manuel Miranda Good Morning Merch Poster - Motivational Wall Art - Positive Inspirational Quotes... Lin Manuel Miranda Good Morning Merch Poster - Motivational Wall Art - Positive Inspirational...
17 Nilight 18026C-A 37Inch 780W Triple Row Flood Spot Combo Bar 78000LM Driving Waterproof Led Work... Nilight 18026C-A 37Inch 780W Triple Row Flood Spot Combo Bar 78000LM Driving Waterproof Led Work...
18 Rigidhorse 32 Inch LED Light Bar Single Row Flood & Spot Beam Combo 30000LM Off Road LED Light Bar... Rigidhorse 32 Inch LED Light Bar Single Row Flood & Spot Beam Combo 30000LM Off Road LED Light...
19 Nilight - 70004C-A LED Light Bar 32 Inch 180W Spot Flood Combo LED Driving Lamp Off Road Lights LED... Nilight - 70004C-A LED Light Bar 32 Inch 180W Spot Flood Combo LED Driving Lamp Off Road Lights...
20 Nilight - 18007C-A 37Inch Triple Row Led Light Bar 468W Flood Spot Combo 46800LM Driving Lights Boat... Nilight - 18007C-A 37Inch Triple Row Led Light Bar 468W Flood Spot Combo 46800LM Driving Lights...
SaleBestseller No. 1
Nilight - 60010C-A 36 Inch 234W Led Light Bar Combo 24V 12V For Truck SUV Van Camper Wagon Car...
  • BRIGHT ILLUMINATION: Combo beam along with advanced LED chips and PC lens make sure clear visibility for excellent driving experience
  • WATER RESISTANCE: Perfect combination of protective cover, silicone sealing strip and waterproof rubber pad provides efficient waterproof effect
  • ADJUSTABLE BRACKET: The mounting bracket can be adjusted and slid. You can freely install the light bar according to your demand
  • REMARKABLE PERFORMANCE: Die-cast aluminum alloy housing, outstanding heat dissipation and steady mounting brackets, good performance
  • PACKAGE INCLUDE: 1PC 234W LED light bar and mounting brackets
Bestseller No. 2
LAMPHUS CRUIZER 36" 234W LED Flood/Spot Combo [30/60 Degree Spread] [Spot/Flood/Driving Light...
  • MAXIMIZE SHORT AND LONG-DISTANCE VISION- Sporting 78x 3W LEDs for a total of 234W at 6,000K Color Temperature with 18,500 Lumens, this prodigious...
  • BEST OF BOTH WORLDS- Spotlight casts 30 degree spread of focused light for stellar long-distance illumination; flood light projects 60 degree spread...
  • HARDCORE CONSTRUCTION- Durable shatter-resistant polycarbonate lenses are housed in a die-cast aluminum housing for superior longevity; IP-67 rated...
  • ALL-PURPOSE ILLUMINATION- Light up large areas such as 50 ft. long flatbeds with the flood light; shine focused light on precise areas such as fishing...
  • DIVERSE MOUNTING OPTIONS- Includes all necessary mounting hardware; swivel mounting brackets allow focused illumination exactly where you need it;...
Bestseller No. 3
CREE LED Light Bar 36inch Curved 180W Single Row Spot Flood Combo 3D LED Driving Fog Lamp Off Road...
  • 【CREE LED】: NO FAKE, high intensity CREE LED, 6000k color temperature, provides super white and bright ray with low power consumption, over 50000...
  • 【SUPER BRIGHT】: 180W(36pcs*5W )20400LM, 30 degree spot beam and 60 degree Flood beam, Provides a long irradiation distance and broad view,...
  • 【IP68 WATERPROOF RATE】: Great performance of waterproof, shockproof, and anti-corrosion in the extreme weather, also dust-proof and anti...
  • 【EXCELLENT HEAT DISSIPATION】: High quality Aluminum housing which can performance best heat dissipation and best seal ability alloy as the heat...
  • 【WIDE APPLICATION】: The work light can be compatible with almost all Jeeps, 4x4, Trucks, Motorcycles, SUVs, ATVs, Cars, Boats, etc. Many indoor...
Bestseller No. 4
Blazer International 111CWL536S 36" LED Single Row Off-Road Light Bar with Fog and Spot Beam
  • 36" LED single row off-road light bar
  • Works with 12V to 24V systems
  • Combination fog and spot beam light pattern
  • Features (36) LEDs
  • Built to last in any weather condition
Bestseller No. 5
Partsam 6" LED Light Bar White 36W 6500K Super Bright Spot Work Light Pods Single Row Off Road...
  • Super Bright: 6pcs High Power Chips+HD Lens helps to focus the light in front of your vehicle,more safe. 18W/Each. 350LM per light.
  • Extreme Weather Resistant: Sealed Beam design with Heavy Duty Aluminum housing ensure the light work in good performance even in fog,rain or snowy...
  • Excellent Heat Disspation: Fully aluminum housing and vertical cooling fin are designed for maximum heat dispersion,efficiently prolong the lights...
  • 180° Beam Adjustble Mounting Bracket helps to meet your different angle requirement, more convenience.
  • Unviersal application: fit for Jeep, 4x4, Car, ATV, UTV, SUV, Truck, Trailer, Forklift, Train, Boat, Bus, Outdoor lighting,lawn mower lights,etc.
Bestseller No. 6
lite-It 36 Inch Wireless Tow Light Bar with Amber/White Strobes
  • Comes with 36” light bar, 7-pin transmitter & 12V charge cord
  • Separate on/off switch for amber/white strobes
  • Rubber strap mounting
  • 7 pin connection
Bestseller No. 7
Blazer International CWL536D 36" LED Double Row Off-Road Light Bar with Fog and Spot Beam
  • 36" LED double row off-road light bar
  • Works with 12V to 24V systems
  • Combination fog and spot beam light pattern
  • Features (72) LEDs
  • Built to last in any weather condition
SaleBestseller No. 8
Nilight - 60002F-B Led Light Bar 2PCS 36w 6.5Inch Flood Led Off Road Lights Super Bright Driving Fog...
  • SUPER BEIGHT LIGHT: High-quality LED chips emit bright white light to dispel darkness and make your trip safer
  • WIDE ILLUMINATION RANGE: The reflector cups produce flood beam for the wide view area, you can see the left and right clearly
  • ADJUSTABLE MOUNTING BRACKET: The pod can be adjusted to about 45 degrees, which makes changing direction of light beam easier
  • EFFECTIVE PROTECTION: IP67 waterproof rate, can effectively resist water and dust, avoiding moisture and condensation. Working life: 30000 hours
  • PACKAGE INCLUDE: 2PCS 36W LED Light Bars and Mounting Brackets
Bestseller No. 9
Nilight - 10001S-A 36W LED Light Bar Spot LED Lights Led Bar Driving Fog Lights Jeep Off Road...
  • HIGH BRIGHTNESS: The spot beam given out by high quality LED chips is bright and concentrated to light up the forward dark road
  • EFFECTIVE HEAT DISSIPATION: High-quality heat conduction silicone gel together with redesigned aluminum alloy housing, providing superior cooling...
  • HIGH PERFORMANCE: IP67 Waterproof Rate, waterproof up to 1 meter of water for 30 minutes and effectively dustproof. With durable die-cast aluminum...
  • SOLID SIDE MOUNTING BRACKET: The side mounting bracket can firmly fix the light bar on its position. The lamp can be quakeproof when you are driving...
  • WIDESPREAD USES: The light bar can be compatible with almost all Jeeps, 4x4, Cars, Trucks, Motorcycles, SUVs, ATVs, Boats, etc. Many indoor and...
Bestseller No. 10
YITAMOTOR LED Light Bar, 36W 7Inch LED Work Light Flood LED Light Pods Off Road Driving Light Fog...
  • SUPER BRIGHT: Our 7inch 36w led light bar is made of 12*3W high power LEDs; Total of 36W at 6,000K Color Temperature with 3600 Lumens; Flood beam (60...
  • HIGH PERFORMANCE: 6063 Die-cast aluminum housing for strength and durability. Upgrade PC lens surface with high light transmission. IP67 rated...
  • BETTER HEAT DISSIPATION: Special designed die-cast aluminum alloy heat sinks effectively extend the lifespan of the led pod light to over 50,000...
  • AJUSTBALE MOUNTING BRACKET: With adjustable mounting bracket, which makes the light bar change direction of light beam easier.
  • WIDE APPLICATION: For off-road cars, compatible with almost all Jeeps, 4x4, Cars, Trucks, Motorcycles, SUVs, ATVs, Boats, etc. Indoor and outdoor...
Bestseller No. 11
Xprite 36" Rear LED Chase Light Bars, All in One w/Strobe Brake Reverse Turn Signal Light for RZR...
  • FEATURES - Xprite LED Strobe Chase Light Bar for Off-Road UTV ATV SXS has a Total of 6 Blocks and 6 High Power LEDs Per Block. Flood Lens Increase...
  • FUNCTIONS & MODES - These Chase Light Bar have Three Functions: Block #1 & #6 Running /Stop/Turn Signal Lights; Block #2 & #5 Strobe Lights; and Block...
  • HIGH QUALITITY - The Lens are Made of High Quality PC Plastic that is scratch resistant and shatterproof. Black Housing and Brackets are Shockproof...
  • SWITCH - Convenient Power Switch to Turn On and Off, Second Switch to Change Between 7 Different Strobe Patterns. Independently Control Brake Light,...
  • EASY INSTALLATION - Come with Over 15FT Cable Length and mounting brackets. Both ends of the bracket can angle the position up and down with Screw...
Bestseller No. 12
YITAMOTOR LED Light Bar 36W 15 Inch Flood Led Off Road Lights Super Bright Driving Fog Light Boat...
  • 36W Spot LED for Bright and Clear Vision - Advanced 36W LED Chips emits bright light for clear visibility; Enjoy a safer trip with improved visibility...
  • Universal Fit - The light bar features universal fit for almost all Jeeps, 4x4, Trucks, Cars, Motorcycles, SUVs, ATVs, Boats, Family Vans; Can be used...
  • IP68 Waterproof and Solid Construction - Yitamotor light bar features IP68 water resistance, it allows you to never worry about light fog or moisture...
  • Excellent Heat Dissipation - Aluminum alloy heat sinks achieve quick cooling; Excellent heat conduction effectively prolongs product lifespan to over...
  • Strong Packaging - The 15 inch light bar is safely wrapped with bubble wrap and delivered inside a multilayered carton; No need to worry about damage...
Bestseller No. 13
AUXTINGS 36 inch 234W LED Light Bar Off Road Combo Beam 78x3w Work for Trucks SUV ATV 4x4 4wd...
  • Voltage:DC 10-30V Life Span:30,000 hours
  • LED Light Bar Dimension: about 36 inch (910x64x79.4mm)
  • Spot Flood Beam Pattern To Have The Best Light Beam Result: With The Widest Angel to Be Seen and Still Very Bright in the Center
  • DC 10V-30V Operating Voltage Range: Apply to Different Types of Trucks, Off-road Vehicles,4x4 , SUV, Mining, Boating, Farming and Heavy Equipment etc.
  • Tough Design: Black Painted High Quality Aluminum Housing,Stainless Steel Adjustable Mounting Bracket and Shatterproof Lenses with IP67...
Bestseller No. 14
Auxbeam 4" Round LED Pod Lights, 36W Off Road Spot Lights Waterproof Light Bar with Super Bright...
  • 【Super Bright LEDs】Single hole extra size reflective cup with 7070 LED chips and specially designed optical lens, which luminous flux 300%...
  • 【IP67 Waterproof Test】Auxbeam LED pod lights ​have added waterproof rubber pad and coating. All pod lights are burn-in and waterproof,...
  • 【50,000 Hours Lifespan】4" off road led light bar is made of thickened 6063 diecast aluminum heat sinks, maximizes surface area for optimal cooling...
  • 【Built-in Intelligent Tech】Our offroad driving lights use EMC technology to achieve faster on/off response time, completely isolate the...
  • 【In The Box】Comes with 2x 4 inch LED pods, wiring harness 2-lead, and a set of necessary mounting accessories. Auxbeam offers friendly customer...
Bestseller No. 15
6.5 Inch LED Light Bar with Breather, 36W Offorad Fog Lights Led Spot Lights Pods for Trucks Cars...
  • [BETTER WATER-PROOF] - A breather at side makes this Led lighting bar have excellent water-proof performance. No water will get into it even after a...
  • [EXCELLENT BRIGHTNESS] - This LED work light bar is designed with 12pcs super bright LED chips at 6000K, which gives day-like light for safe driving.
  • [STRONG BRACKET] - This led bar has strong bracket with thick bracket, anti-shock and won't crack. The screws and bolts are stainless steel, will not...
  • [DURABLE LED CHIPS] - LED chips are very durable with premium quality, single led chips are not easy to die or get dim during use.
  • [LONGER LIFESPAN] - Thick cooking fins can make sure of continuous and effective heat dissipation, the brightness attenuation is small, the lamp beads...
Bestseller No. 16
Lin Manuel Miranda Good Morning Merch Poster - Motivational Wall Art - Positive Inspirational Quotes...
  • 8x10 UNFRAMED PRINTS - NOT Canvas or Tin Sign
  • UNIQUE WALL ART DECOR - Cool original home decorations for office, living room, bedroom, bathroom, family room, man cave, dorm, dining room, kitchen,...
  • PERFECT PRESENT FOR EVERY OCCASION - Cute gift ideas for women, wife, girlfriend, her, girls, daughter, men, guys, boys, son, husband, boyfriend, him,...
  • SO MANY STYLES! Boho, bohemian, abstract, aesthetic, mid century modern, minimalist, contemporary, black art, African American, goth, gothic, pagan,...
  • SAVE ON MULTIPLE POSTERS, PRINTS, PHOTOS, PICTURES - See details at left
SaleBestseller No. 17
Nilight 18026C-A 37Inch 780W Triple Row Flood Spot Combo Bar 78000LM Driving Waterproof Led Work...
  • Super brightness: Combo beam with triple row and nest reflector cup design in the middle for extreme light efficiency
  • Upgrading reflector cup: the broad reflective plate on both sides allows multi-angle refraction, ideal for ambient illumination
  • Adjustable mounting bracket: the bracket can be adjusted and slid, offering convenience to adjust position flexibly when needed
  • High performance: IP67 waterproof rate, efficient cooling, die-cast aluminum alloy housing, over 30, 000 hours lifespan
  • Package include: 1PC 37 inch LED light bar and mounting brackets
Bestseller No. 18
Rigidhorse 32 Inch LED Light Bar Single Row Flood & Spot Beam Combo 30000LM Off Road LED Light Bar...
  • 【High Brightness】8D reflective cup lens, 6,000K color temperature with 30000 Lumens.Both sides have special flood, Reflective cup provide...
  • 【Durable Aluminum Alloy】Black aluminum housing and shatterproof 6063 PC lenses, Higher light transmission rate than PMMA lens durable to withstand...
  • 【IP68 Waterproof】The slim light bar with Die-cast 6063 aluminum, it's also ensuring the waterproof rate to IP68 and quick cooling system, that can...
  • 【APPLICATION】Universal Mounting Brackets, Operating voltage range between 9V-32V. Fit for Truck, Off Road, 4x4, SUV, UTV, ATV, Tractor, Boat,...
  • 【Rigdhorse Support】1* 32 inch led light bar, 1*adjustable mounting brackets, please identify the store " Rigidhorse"! If any question please...
SaleBestseller No. 19
Nilight - 70004C-A LED Light Bar 32 Inch 180W Spot Flood Combo LED Driving Lamp Off Road Lights LED...
  • HIGH BRIGHTNESS: Powerful 180W LED light bar, high-quality Led chips and clear PC lens, super bright white light dispels darkness.
  • COMBO BEAM, CLEAR VIEW: Appropriate combination of spot beam and flood beam for wide spread and long distance illumination.
  • SIDE MOUNTING BRACKET: The sturdy bracket can firmly fix the light bar. Quakeproof when passing through rugged terrain.
  • WATERPROOF RATE: IP67; waterproof up to 3.3 feet of water for 30 minutes and effectively dustproof..PACKAGE INCLUDE: 1PC 180W LED Light Bar and...
  • Material: 6063 Diecast aluminum profile, stainless steel bracket
Bestseller No. 20
Nilight - 18007C-A 37Inch Triple Row Led Light Bar 468W Flood Spot Combo 46800LM Driving Lights Boat...
  • Super brightness: Combo beam with triple row and nest reflector cup design in the middle for extreme light efficiency
  • Upgrading reflector cup: the broad reflective plate on both sides allows multi-angle refraction, ideal for ambient illumination
  • Adjustable mounting bracket: the mounting bracket can be adjusted and slid, offering convenience to adjust position flexibly when needed
  • High performance: IP67 waterproof rate, efficient cooling, die-cast aluminum alloy housing, over 30, 000 hours lifespan
  • Package include: 1PC 37inch LED light bar and mounting brackets

Having trouble finding a great 36 Led Light Bar?

This problem is well understood by us because we have gone through the entire 36 Led Light Bar research process ourselves, which is why we have put together a comprehensive list of the best 36 Led Light Bars available in the market today.

After hours of searching and using all the models on the market, we have found the best 36 Led Light Bar for 2023. See our ranking below!

How Do You Buy The Best 36 Led Light Bar?

Do you get stressed out thinking about shopping for a great 36 Led Light Bar? Do doubts keep creeping into your mind?

We understand, because we’ve already gone through the whole process of researching 36 Led Light Bar, which is why we have assembled a comprehensive list of the greatest 36 Led Light Bar available in the current market. We’ve also come up with a list of questions that you probably have yourself.

John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for 36 Led Light Bar that you consider buying. Your questions might include the following:

  • Is it worth buying an 36 Led Light Bar?
  • What benefits are there with buying an 36 Led Light Bar?
  • What factors deserve consideration when shopping for an effective 36 Led Light Bar?
  • Why is it crucial to invest in any 36 Led Light Bar, much less the best one?
  • Which 36 Led Light Bar are good in the current market?
  • Where can you find information like this about 36 Led Light Bar?

We’re convinced that you likely have far more questions than just these regarding 36 Led Light Bar, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for 36 Led Light Bar, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible 36 Led Light Bar. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an 36 Led Light Bar buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available 36 Led Light Bar currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of 36 Led Light Bar has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an 36 Led Light Bar?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your 36 Led Light Bar.
  5. Customer Ratings: Number ratings grade 36 Led Light Bar objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their 36 Led Light Bar.
  7. Product Quality: You don’t always get what you pay for with an 36 Led Light Bar, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an 36 Led Light Bar is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining 36 Led Light Bar information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding 36 Led Light Bar is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly!

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FAQ:

Q: What is the best LED light bar?

A: OUR FAVORITE LED LIGHT BARS! This is the Sylvania Ultra 20″ LED Spotlight Bar. Sylvania is a major player in the LED industry and they have created a truly amazing product with this light bar. This is a spotlight so it excels in high-speed situations where seeing further in front of you is a must.

Q: How many lumens is a high efficiency light bar?

A: This is a spotlight so it excels in high-speed situations where seeing further in front of you is a must. This light bar is built with OSRAM LEDs and produces 9120 raw lumens and 4100 effective lumens meaning it puts out a massive amount of light.

Q: What is the best flood light bar?

A: This light bar is extremely durable with an operating temperature range of -40 to 150 degrees Fahrenheit. This light bar also comes with a lifetime replacement warranty. This is a Rigid SR-Series Pro 10″ Flood LED Light Bar and our pick for the best floodlight.

Q: What is an LED light bar in a car?

A: What is an LED Light Bar? A light bar is any supplementary light, usually, in the form of a long thin bar, that is added to a vehicle to increase its light output. These are not meant to be used as supplementary light while driving your vehicle on the road but are rather used during recreational activities.