Description
2 button, call tone (3+1 and 4+1 systems)
CONNECTION: Standard 4+1 Audio
CALL: Electronic Call Tone
PRIVACY FACILITY: No
BUTTONS: 2: Door open and service button
CONTROLS: Call tone volume (3 levels)
SYSTEM COMPATIBILITY: 4K series, 8K series, VR4K series, VR120DK series audiokits.