【500% Brighter than Halogen Bulb】 Each 921 led bulb has 15pcs high brightness 3030 SMD led chips, delivering twice the power of 2835/3014/4014 chips or more. This allows the SEALIGHT 921 912 led bulb to achieve higher overall brightness using fewer chips, ensuring safer reversing for you

【CAN-BUS Ready】921 LED Bulb reverse lights built-in CANBUS system, compatible with 99% vehicles, effective protection against error codes, over-flashes and radio interference, no more worrying about your vehicle having a "bulb failure" warning or over-flashes

【Efficient Heat Dissipation】LED 921 bulbs are made of aviation-grade aluminum and use immersion gold process plugs, which have stronger anti-oxidation performance and lower heat generation. Built-in constant current IC makes the 921 reverse light bulb performance more stable, effectively extending the service life up to 60,000 hours, eliminating the need for frequent bulb replacement

【Easy Installation】SEALIGHT T15 LED Bulb Reverse Light 1:1 Design with halogens, non-polarity, plug and play. Easy to install this led reverse light bulb even if you have no installation experience

【Fitment】SEALIGHT 912 LED bulb directly replaces 921, 912, 922, 906, 904, 916 W16W T15 etc sockets, making it an excellent choice for upgrading factory reverse lights, backup lights, and 3rd brake lights