Urmet 1140/1, 4-wire system

Only suitable for Urmet Domus systems 4+n. The phone uses 5 cable grooves.
Features:

• Simple connection of wires – to screw terminals; no need for soldering
• Door release button
• Additional button to perform any function
• A three-level volume control module can be added separately
• Dimensions: 225x80x40 mm
• Body: glossy white