Features of D5131GB mobile handset unit are:
✦ Latch or electrical lock control key.
✦ Main gate control key.
✦ Outside lighting control key (using the D5300 receiver).
✦ Handsfree or handheld operation.
✦ Bell: 3 ring tones, 5 sound levels.
✦ Handset LCD screen display of:
– open or closed status of the main gate and side gate/door (if position contact connected),
– ON or OFF status of the outside lighting,
– battery status (of the controller, base or handset unit),
– audio setting level,
– radio reception level (displays only during communication).