Alarm Magnetic Roller Reed Shutter | Heavy Duty

Buy a heavy duty alarm roller reed shutter to incorporate as part of your alarm system. Confidently secure garage doors with this Sentrol 2202A heavy Duty Roller Door Reed Switch.  This door magnetic contact can be used in rigorous environments such as commercial and industrial installations or domestic garage doors. The magnetic reed switch is usually installed in an exterior of opening doors and once tripped, sets an alarm off which cannot be  stopped by just closing the door, the alarm needs to be disarmed. Compatible with most security alarms including Ness, Bosch, Reliance and more.