Brief description A practical door station set with a wide range of expansion options. The basic version can be expanded up to 4 living spaces. The 2-wire system allows you to use existing cable installations, so you can easily retrofit. With the help of various additional modules, you can easily integrate call forwarding, access control, and video surveillance into the system. Technical specifications Use: 1- residential/ commercial building Dimensions: door station 180 x 103 x 44 mm Type video phono system, 2-wire set door station VT 1730/51 indoor telephone / monitor VM 1730/1 Soft Touch 7" 800 X 480 pixels Dimensions hands-free monitor 155 x 195 x 19 mm Device type a complete set Special features call forwarding, access control Content 1x surface-mounted door station with clock button, 1x video monitor, 1x transformer, installation material Special features The set can be expanded to 4 living spaces, call forwarding to a smartphone (optional) ), access control (optional) and connecting an analog camera is possible