10 Pcs N.C. Wired Door Alarm Magnetic Contact Sensor, Magnetic Reed Switch,White
The door contact sensor is a magnetic field electrical switch that provides a high-pitched alarm when someone opens a door or window when it is closed, thus protecting your home.SpecificationColor: WhiteMaterial: ABSSize: Cable Length:Maximum Current: 0.5AMaximum Voltage: 0-100VSensing Distance: 15-25 mm / 0.59-0.98 inchMagnetic Sensor 1: 5 x 1 cm / 1.97 x 0.39 inchMagnetic Sensor 2: 5 x 1 cm / 1.97 x 0.39 inchPacking List: 10 x Wired Door Alarm Magnetic Contact SensorAdvantageRust-proof Material - The wired contact sensor is made of rust-proof and durable zinc alloy, with sensitive response of magnetism and can be used for a long time.
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