Ultimate Video Door Phone

Ordinary Video Door phones provide incomplete protection. Crystal VDP with Alarm Function interfaces with a range of Wired  Sensors for intrusion & panic detection. In case of an alarm Crystal VDP will activate panic ringing / external hooter /  trigger panic to connected Crystal guard security system, plus a host of other advanced functionalities.
Features :-

Display : Coloured 3.5" / 5.6" TFT-LCD
Door phone/ Security Camera: Multiple
Telephone Handset
Door Unlock function
Panic Button & 1 Zone Alarm Function
Optional Loud Siren connectivity
Build in SMPS
Telephone dial pad to work behind EPAX
CLI Caller Number Display & call History.
Multizone Wire/Wireless Sensor Connectivity.
Multiple Outdoor units.