Socket Material: * made of ABS fireproof * High-grade copper of metal parts Socket Functions: 1. Patented safety shutter has a unique function of double-on-and-off 2. (GF)EUROPEAN style multi-function receptacle can accept different plugs of European3. One 2-pin universal receptacle on the side(1 To 2, 2 receptacles). 3. (V) with 110V & 220V voltage indicator 4. (S) with lightning surge protector 5.22 kinds of plugs, including all plugs all over the world, can be optional
