The device "LINESWITCH DIN" contents 4 relais. You can remote control the contacts of relais through telephone line by DTMF dial.
Line SWITCH contains 4 power relay 230V/10A, their switching contact can be remote controlled after telephone management by means of tonal dialling from ordinary telephone.
Function of device is protected password and state relay can be acoustic check.
Can be append back up batteries 9 to 12V.
Remote control devices, heating, irrigation, lighting possible long distance from hearing in rooms of family home, bungalow or in automatic traffic.