【Error Free】 7440 7443 led bulb with built in resistor, solve the decoding problems of 99% vehicles. Perfectly fits for front/rear turn signals, no more having to hack your wiring to ensure you avoid "bulb-out" warnings, no more hyper flash.

【500% Increase Brightness】The upgraded 7440 LED light bulb with high-brightness 3030-SMD chips.360° full view angle, No dark spots, No shadow, One pair bulbs have 48w, 4000lm power, delivering 6000K pure white color lighting output for superior visibility.

【Efficient Heat Dissipation】7440 led reverse light bulb Adopting aviation aluminum body design and built-in intelligent temperature control IC has excellent thermal conductivity, It features layers of design that keep this bulb cool on the hottest of days, long life span to accompany you on longer journeys

【Fitment】7443 7440 7444na T20 7441 7444 992 W21W LED bulb can be used for reverse backup bulb, tail lights, brake lights, daytime running lights, side marker lights rear lights, blinker light bulb,parking lights etc.

【Drive Safely】Load MINI fuses is a core part of the this bulb's foundation, protect the bulbs and your cars against the instantaneous high current, you will experience greater safety from a brighter light, better performance through its unique design.