1) Can be wood walls, walls, doors and windows, wall plate, such as voice. 2) The voice of the high-sensitivity detectors, s

Fully Functioning European Extension sockets fitted with our very latest GSM listening technology. Monitor the room conversations from anywhere in the world. Just dial the sim card number supplied or fit your own sim card and the unit will silently switch on enabling you to listen to sound up to 30 feet from wherever the device is fitted. Sound is filtered and 100% buzz free for perfect audio clarity.

Fully Functioning 4+1 Euro Socket Extension  

Built in GSM Listening Device Mains Powered for long term monitoring Connects to any 110 ~ 240 volts mains supply Good quality  Mic Triband Cable is 1.5meters Can continuous working when connect the plugDimension:30(L)x5(W)x3.5(H)CM