Intercom Commax CDV-70K - Model 2013 year. The stylish new seven-inch color intercom Commax CDV-70K. Intercom functions as a call, controls access to the room and allows for video surveillance of the entrance door. Intercom CDV-70K, as well as all intercoms Commax has the function of opening doors with electric lock. You can connect additional audio tube Commax DP-4VHP. It is also possible to connect several parallel intercoms CDV-70K and CDV-70KM.