... from 3W to 12W.2. the chip made by 3528smd,3014smd,5050smd, and Specailly is the COB ... chip.3. All of them can be supplied by the cover, clear cover,milky cover and ... time.for example, we have the good driver and the PF is bigger than 0.95 ... also have the normal quality which made by normal driver and the PF is around at 0. ... 6.It mean,you can get the product from here by ...