Must specify which bulb: H7,H11,9006,h13,H4
 
 
1.Pure Copper built. smaller than halogen light to fit most of car, with excellent heat conduction management technology,small size with super Power
2.Curve driver,enlarge heat dissipation area 50%, smallest size, easily to put inside of most light set.
3.No fan design,stable quality,2years warranty 
4.waterproof design