... 50m Frequency Range: 868.42MHz. New designed TW68G/3500W Remote Control SocketMODEL NO. TW68G 1V1 No installation is needed, ready for instant operation ... 50mVoltage: 230V/50HzCurrent: 15A~max.3500WCode: self learning There are 1V1, 1V2,1V3,1V4 (one controller with 4 sockets) for customer ...