... Power factor:80 4, Certificates: CE, ROHS, UL led flat panel 21WPart number: BDL-P21-001Wattage: 21WDimensions: 600mm×600mmWorking Voltage: ... state, high shock & vibration resistant, 80% saving in energy consumption and ideal energy-saving products.Quiet, no noise ... fit kits available for direct replacement of fluorescentApplication:Widely used in the hotel, meeting room, offices, hospital, schools, ...