LED Ceiling Light 1.Voltage:AC100-240V 2.CE&RoHs,Driver UL,PSE,CE,RoHS 3.Warranty: 2 Years 4.12W,170 Degree ... long time test before application; LED chip with color temperature, CRI, lumen efficiency test etc..2). Assembling:Following schedule for ... the responsible.Driver Certificates and Patent in Germany, USA,Australia, Taiwan and Japan Power Factor > 96%:,Driver with PSE,UL,CE,FCC etc. Dimmable ...