... ±10%W(includes driver)Input Voltage (Lighting)AC 100-240V /50-60HZEfficiency≥85%Power Factor≥0.8THD< 18%LED ... ICWarranty2years General ApplicationThis product is widely used in the hotels, home, factories, offices, banks, supermarkets, schools and other needs ... 5. External constant current LED driver, safe and reliable. Input: AC100-240V; Efficiency: ≥87%6. Easy installation: replace the false ceiling ...