Designer of Alarm System, Central Monitoring, Toilet alarm, Master Clock, Nurse Call, Parking guidance, Security Systems, Voice

The Door Watcher is an alarm unit used to prevent doors being, left open for an extended period of time.Door held open alarm can be used in any situation where it is undesirable for a door to be open for more than a short period. The time that the door can be left open for without generating an alarm can be adjusted at installation time. Available on battery powered, DC and mains with battery backup.