Description:
Specifications:
This Magnet Door Alarm connected to alarm security system.
When the door is closed,the two parts of this Door Alarm is attached and the circuit is runing; but once the door is opened, the two parts is disparted, and the circuit is stopped and the alarm will work.
Crust material: zinc alloy
Easy installation, installed by screw (the screw is included)
Rated power:12V
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