... , ceiling Led power lightingDesigned based on UL/CE standardsConstant current driver, Open/short/over current protectionworking voltage: 90-265VOutput voltage: Output ... : according to customer's special requirementsPower:(4-6)*1W, (4-7)*1W, (5-7)*1W, (9-12)*1W, (12-15)*1WPower factor >0.85Constant current accuracy,320mA ...