... light -CE,EMC,LVD,ROHS,FCC Approved -High tolerance voltage:110V-277V -Wattage:40W-200W Model TW-0721D Energy Saving ceiling ... KVoltage AC110V, 220V, 277V,347V,could be order with high tolerance voltage in AC110V-277VProtection Class IP20Dimension ... resistant, pc cover and compact structure for easy maintenance customized size.Application Ofiice Building light,Classroom ,Meeting rooms ...