20W SMD square led ceiling light 1.SMD- Samsung chip led ceiling light 2. CE&RoHS,EMC approved 3. 3 years warranty 20W SMD square led ceiling light surface ... IC power management, performance, safe, stale, reliable, and the driving voltage is in AC 85V~260V, to meet the global over ... use, so that in this voltage range no lights flicker; no noise; Average power factor above ...