Corey chip is better, Corey is a big brand, the quality is guaranteed
? Corea chip is better, because Corea chip uses graphene heat dissipation, and other dual-electrode class Languang chips can be identified by the appearance of the electrodes
Cree's brand is the strongest. At present, the speed of developing COB integrated light source products is also relatively fast. Electrical: The voltage is mainly 36\/37V