General
Model	Speak/ring
Installation technique	Bus system
Colour	Black
Number of bell buttons	0
With day/night function
Zoom, pan/tilt function
Manual adjustable camera
Hearing aid compatible
Contains keypad
Flush-mounted installation
Suitable for indoor installation
Suitable for outdoor installation
Surface mounted
With housing

System 106 voice module, matt black - The hands-free function enables communication between inside and outside. - A high-quality microphone and a weatherproof loudspeaker ensure good communication. - Power supply via 2-wire bus. Additional connection for central locking (e.g. required from 3rd camera module). - All other System 106 modules (except door station module) are supplied with power via the voice module.