SALE 2 Sets Home Wired Alarm Security Magnetic Door Contact Reed Sensor Switch, White
$12.31$12.96
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Home Security Wired Rolling Door Contact 0~100V/0.5Amp Magnetic Reed Switch M...
$13.81
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About this item
The Door and window magnets should be installed at the door and the top of the window. The permanent magnet part is installed on the movable door and window. The switch part and the magnet part should be aligned and installed as much as possible.
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