The standalone unit contains the systems master handset, power supply and connectivity for the 5 outstations. 20mm knockouts are provided for all system cabling and the housing is of ample size to support 2x 5Ah backup batteries (not supplied).

The unit is microprocessor controlled but requires no on-site programming; it is fitted with end of line resistors which are simply discarded when an outstation is connected making installation quick and simple.