There is specific magnetic switch for rolling door of garage and shops. When the rolling door is opened at arm status, the wireless door magnetic contact switch will contact with burglar alarm system, active siren strobe and send alarm information to registered alarm phones, security service center.
Functions and Specification:
1.Micro-power dedicated CPU
2.Low battery checking circuit, the LED will ON when low battery
3.Send report when shutter door is not closed.
4.Starting control distance:
