ABB-Welcome Audio Module, No Pushbutton

• Audio module is compulsory for any audio or video outdoor station composition
• 3 LED indicators for operation status indications: call established/system busy, communication possible, and door unlocked
• One lock can be directly connected without independent power supply for the lock
• Additional terminal for second lock is available
• Lock release time and speaker volume are adjustable
• No pushbutton
• Integrated optic sensor for day/night mode

NOTE: Connects to ABB System Controller (not included).