1,Low price and high reliability 2,High efficiency 3,High power factor 4,CE,ROHS Specification:1, Input voltage: 100-240Vac2, ... current: 0.1A Max.3, Power factor: ≥0.504, Static loss: 0.3W5, Output voltage: 10V6, Output current: 300mA7, Output power: 3W8, Efficiency:75%9 ... : 30*17.5*16.5MM 3W LED constant current driving power supply(indoor use)