(Hausautomationssysteme, Zugangskontrolle) Audio inte

(home automation systems,audio intercom system)Digitalaudio building doorphone intercom system for 250 apartments: Features: 1) Strainless steelcase 2) Capacity:500 houses(can be customized) 3) Message receiving & LCD display 4) Backlight buttons 5) Build-in infrared for night vision 6) Network operating(optional) 7) Function of call transfer to the management unit 8) Password unlocking 9)Installation Method:Flush-mounted Specifications: This system is building intercom system with decode&program technique. It is suitable for buildings with 9999 users. It is composed of outdoor unit, indoor units, partition, power supply and electric locks, etc. The function of this system includes intercommunication between indoor unit and outdoor unit, intercommunication between indoor units and center unit, broadcasting function, electric-controlled unlocking and etc. It is a necessity for intelligent property management.