... 110V/220V 3. Power factor: ≥0.9 4. Output voltage: 8-25V 5. Output current:350mA +/-5% or as customized6. Power Efficiency: 80 ... chip can reach energy efficiency and pro-environment 13. constant output current, low ripple. ensure the LED make use of security, ... test .15. over loading protection, over-voltage protection, over-current protection, primary, secondary isolated. ensure power supply security