... .EDISON chip 3.Isolated driver 4.MR16,GU10. 4w led spot light UL approved:Specification:1>Input voltage:AC100-240 for GU10 MR162 ... of it with CE,RoHS,FCC,SAA,UL certificate2>Our monthly capacity of LED spot light is more than 40,000pcs3>2 years ... , meeting room, museum, and entertainment place, etc. 4w led ceiling spot light UL approved