VIDEX DM3 Door Monitoring Module

The DM3 is a self contained door monitoring unit requiring only an external low voltage power supply and a set of normally closed door contacts. There is an internal sounder and an override key switch to disable the unit.

Features:

Built in chime facility

Monitors whether door is opened/forced open/left open

Door forced alarm state

Internal sounder can be programmed to chime when door opens or generate alarm sound during alarm conditions