certificate.Size:170X72X46mm water-proof type.power supply/water-proof power supply/switching power supply AC input 1. Protection:short circuit/overload/over lamp/over voltage 2.AC input voltage range:170-260 VAC 3.Case material:Aluminum alloy 4. Over voltage protection:120%-140% rated output voltage 5. Withstand voltage:2000V 6.Working temperature:-20 degree to 40 degree 7. Connection:VDE input and output using the power cord,200mm long line 8. Any more informations please kindly contact me .