Line switch - remote relays - Alphatech (en)

Features
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.

Applications
Remote control devices, heating, irrigation, lighting possible long distance from hearing in rooms of family home, bungalow or in automatic traffic.