Dial Pad      

Crystal VDP features a telephone Style Key Pad for programming.

Cameras &   
Door units

Crystal VDP can connect a standard 'Door phone outdoor unit' with   camera and lock open facility.

Door Unlock

Crystal VDP can operate an optional 'Electronic Door Lock' to open the door. A built in safety feature prevents accidental opening of the door if the unlock button is pressed by mistake.

Panic Alarm

This feature can be activated by a panic button. Apart from the build panic Button on the Crystal VDP any number of additional panic button's can be installed in any flat-say in the kitchen, one near the entry door, one in the bedroom etc. Whenever switch is pressed, the Crystal VDP will start 'panic ringing' & will turn on the optional Loud emergency siren/ Hooter.

Loud Siren Output

An Optional External Loud Siren can be connected to the Crystal VDP to Alert the neighbours in case of Panic/ Alarm.

Wired Alarm Sensors 
(One Zone)
 

Crystal VDP supports sensors like Smoke Detectors, Gas Leak Detectors, Motion Detectors, Glass Break Detectors, Magnetic Door/window Detectors. Crystal specially designed sensors can be connected in series to activate Panic alarm/Loud Siren Output

Dial Pad      

Crystal VDP features a telephone Style Key Pad for programming.

Cameras &   
Door units

Crystal VDP can connect a standard 'Door phone outdoor unit' with   camera and lock open facility.

Door Unlock

Crystal VDP can operate an optional 'Electronic Door Lock' to open the door. A built in safety feature prevents accidental opening of the door if the unlock button is pressed by mistake.

Panic Alarm

This feature can be activated by a panic button. Apart from the build panic Button on the Crystal VDP any number of additional panic button's can be installed in any flat-say in the kitchen, one near the entry door, one in the bedroom etc. Whenever switch is pressed, the Crystal VDP will start 'panic ringing' & will turn on the optional Loud emergency siren/ Hooter.

Loud Siren Output

An Optional External Loud Siren can be connected to the Crystal VDP to Alert the neighbours in case of Panic/ Alarm.

Wired Alarm Sensors 
(One Zone)
 

Crystal VDP supports sensors like Smoke Detectors, Gas Leak Detectors, Motion Detectors, Glass Break Detectors, Magnetic Door/window Detectors. Crystal specially designed sensors can be connected in series to activate Panic alarm/Loud Siren Output