CALL Button | Function as a door bell button |
PRG Button | To activate some special features |
Dial Keypad (1 to 0, *, #) | Work as the normal phone keypad |
Relay | Gate open control |
Sensor | Feedback door open status to the system |
Speaker | Yes |
Microphone | Yes |
LED Display | Four 7-segment blue colour |
Cabling | 2 Wires |