IVP 30-60W Switching Power Supply .Input Voltage range:90-264V .Input frequency:47∼63HZ .Static power loss:0.75W .Ripple Wave: output voltage 1 .Efficiency:≥75 .Relative Humidity:≤90RH, non-condensation .Working temperature:-10∼+50 .Insulation:AC3KV/10mA(1/P-0/P) .EMC:EN55013EN55022ClassBEN61000 .Safety approval:CCCFCCULCE . Function protection:The Power have OVPOCPshort circuit and temperature protection etc