Kit Comprises Of:
 •1 x Videx 836M/2 speaker unit
 •1 x Videx 881 Surface Box
 •1 x Videx 321 12V AC Transformer
 •3 x Videx 3011A Handset
 
Operation:
 
When a caller presses the call button this will produce an electronic call tone at the telephone handset. When answered, the caller and occupant can have a two way conversation. If required the occupant can then release the door/gate by pressing the release button on the telephone handset.