... /T,D/P,L/C 3,ISO,IEC,CE,GB 4,Tracking service 5,Professional production team 1. Voltage: 120V-240V ... is 100% Non-oxygenic copper with screw Screw part: 4 holes with screws . 4.Feature for front plate: flame resistant, safe and reliable ... use. 4. Lifetime: the on-off operation is more than 40,000 ...