... ,ROHS, approvals 3:quick delivery 7W LED Power DriverHigh performance High power factor (PF): >0.9 High power efficiency: 75%-80% Good price1 ... , high efficiency design 12. adopt with high efficiency, low power wastage, stabilize PWM chip can reach energy efficiency and pro ... over-voltage protection, over-current protection, primary, secondary isolated. ensure power supply security 7W LED Power Driver