Specification: Voltage DC9V-16V; working power: 5.5W; Size: 0.59" in width, and 1.79" in length. 42pieces high power 4014 SMD led chips per 921 bulbLight Output: About 1300 lumens per 912 bulb, 2600 lumens for both 912 921 led bulb reverse lights. 360° full view angle, with HD projector, 400%+ brighter than stock 921 lightsCAN-BUS Ready: Built-in smart IC driver ensure constant current, no radio interference, instant-on capability with zero warm-up timeApplication: Used for upgrading the stock back up lights, reverse lights, plug and play direct replacement for 912, 921, 906, 904, 902, 922, W16W, T15, etc socketLonger Lifespan: Electroplating process housing, improves oxidation resistance and produce less heat, ensures a 30,000hrs longer service time Product Description AUXITO 912 921 LED Bulb Backup Reverse Light Super Bright: Adopts 42pcs led chips, emitting 2600lm bright output per pair totally, 400%+ brighterPlug and Play: Non-polarity design, directly fit for 912, 921, 906, 904, 902, W16W, T15, etc socketCAN-BUS Ready: Compatible with 98% of vehicles without computer system error problems. Please note these back up light led bulbs will NOT be compatible with Malibu, Equinox‘s system. How to Find Correct Bulb Size for Your Vehicle? Check your vehicle user manual or original halogen bulb, the part number is marked above.Search "automotive bulb look-up" online, and enter your vehicle info to find out the correct size.Ask it in 'Customer questions & answers', write down your vehicle year, make and model. Please Kindly Note When Match Size: 1, Back Up Light Bulb(Coupe) 921 means your vehicle takes 921 led bulbs for backup lights only if it is a coupe. 2, Back Up Light Bulb(without projector headlights) 912 means only if your vehicle headlights without projector you will take 912 led bulbs for backup lights. 3, Back Up Light Bulb(Compared to option 1/2) means your reverse lights size may vary from vehicle to vehicle. Specification Color: 6000K White Lumen: 2600lm/Pair Working Voltage: DC12V Working Power: 5.5W Current: 0.45A LED Chip: 4014 SMD Application: Backup Lights Why Should I Choose AUXITO 912 921 LED Bulbs for Backup Lights? Brighter & Safer: No More Darkness When Reversing Don't worry about deers in remote areas any more See the ground clearly from the backup camera See the vehicle or road behind distinctly from the outside mirrors Dark countryside needs more light when reverse If you don’t know the size you need, please see here! Note: If you have a stock halogen bulb, you can refer the method 1, method 2 and method 3 to find out the correct part number you need.If you have aftermarket light, bulb fitment guide may not accurate, you can refer the method 3 to find out the correct part number you need.The "Note/!" is very important, it will tell you the applicable position, pls refer to it when using the fitment. For example, "Note: Fit for Brake/Front Signal/Rean Turn Signal/Tail light.", it means the led bulbs only fit for these lights, if you want a reverse light, the led bulbs won't fit.If any questions, or meet any issues of the order, please let us know or ask it in 'Customer questions & answers'. Color White, Amber, Red, Blue Available White, Amber, Red Available White, Red Available White White, Red Available Non-polarity Power 2W 5.5W 5.5W 5.5W 5.5W Applications Car interior lights, license plate lights, side marker lights, trunk cargo lights Backup reverse lights, tail lights, DRL, brake lights, turn signal lights, blinker lights Backup reverse lights, tail lights, DRL, brake lights, turn signal lights, blinker lights Backup reverse lights, tail lights, DRL, brake lights, turn signal lights, blinker lights Backup reverse lights, tail lights, DRL, brake lights, turn signal lights, blinker lights