Dimensions:70×210×21mm Specification Power source DC 12V+-10% Power consumption Max. 1W, standby 0.5W Chime Chime "Ding dong" Operating temperature -10°C~55°C Installation Wall-mount

Audio talking series(E11-120)
Automatically switching off after 45 seconds' conversation or 90 seconds' monitoring. Can release the door with remote control when it's combined with electric lock (optional). The panel can be seen well at night because of backlit pushbuttons. Permits direct inputting and modification of room numbers from the master station keypad. Two way communication between interphone and panel station.