Equipped with high-quality LED chips, these 7443 led bulbs are 400% brighter than traditional halogen bulbs. 6000K cool white light is close to daylight, and the precision optical lens concentrates light to clearly illuminate obstacles, steps, and low objects within 5 meters behind the car. It eliminates blurred vision during night reversing, making parking easy even for new drivers.

Strictly compatible with 7443 socket, non-polarity, applied to US standard and CK sockets, no modification to the original car wiring or additional decoder required. Just pull out the old bulb and insert it directly. It directly compatible with 992, 7440, 7441, 7443, 7442, 7444, W21W, WY21W, 7440NA, 7440NAK, 7444NA,7444NAK, 7443LL, etc, and can be used for reverse backup bulb, daytime running light bulb, turn signal bulb, side marker light bulb, blinker light bulb, parking lights, tail lights, brake lights, etc, with almost zero installation threshold.

Consumes only 25% of the power of halogen bulbs, reducing the load on your vehicle's battery. With a super-long lifespan of up to 30,000 hours (10x longer than halogen), eliminating frequent disassembly and replacement, saving you cost and hassle in the long run.

Optimized circuit design ensures silent operation without any current noise, avoiding interference with car audio or navigation systems. These 7440 led bulbs lights up instantly with no warm-up time, unlike traditional bulbs, enhances driving safety with faster response during driving at night or in rainy/foggy/snowy weather.

Important Note: After entering your vehicle data on browser or APP, please confirm whether the light you want to buy is within the applicable lights. Amazon filter system may not be 100% accurate or up to date, if you are not sure which bulb model fit your vehicle, please check your owner manual to confirm or ask a question for help