The lifespan of this LED light have 30,000+ hours , and it have a High-Speed turbine fan at the bulb bottom , made of copper and aluminium to make sure the light have better heat dissipation effect. And just 0.01s lights up instantly when turn on the headlight.

D1S led bulb comes with 16pcs import CSP led chips from Japan, high luminous flux up to 4000LM per bulb, That light gets focused into a tight pattern to give you excellent vision both vertically down the road and horizontally. For cooling, this led bulb uses high-quality micro fans. Even in the most extreme conditions, the fans will work. That is the kind of dependability that you have to have when it comes to driving safety.