Upgraded High Power: Auxbeam 921 bulb is built with 12 PCS high brightness chips. With a maximum power of 44W per bulb set, this is the most powerful reversing light Auxbeam has ever produced. Auxbeam 921 bulbs focus on super brightness, say goodbye to those yellow dull halogen bulbs.

500% Brighter than Halogen: Based on the powerful power, Auxbeam 912 reverse light can provide up to 6000 lumens. Breakthrough your imagination, 500% brighter than the original halogen light. Bring you a super bright and comfortable light reversing experience when backing up at night or in bad weather.

Perfect Performance: IP68 waterproof. The built-in Elecsy- X IC driver avoids radio signal interference, stably controlling voltage and heat. The aviation grade aluminum lamp body with surround heat grooves ensures fast cooling, efficiently prolonging lifespan of t15 bulbs up to 50,000 hours.

99% Compatibility: 921 bulb has built-in intelligent driver, can directly solved the flickering problem, no warning on the dashboard. For TRUCKS, this 921 bulb only fits 12V Volt trucks or the bulbs may not work.

Easy Installation: 1:1 design with halogens, non-polarity, play and plug. 921 bulb reverse light is fit for 921,912, T15, 906, 904, 902, 922, W16W. Upgrade replacement for reverse light and backup light.