MC-38 Surface Mount Wired NC Door Sensor Alarm Magnetic Reed 27 x 14 x 7.8mm
Long wire lead that can side mounted.2. Work as an anti-theft alarm, ideal for wood door and window.Nc: when the magnet is near, the circuit is on;When the magnet moves away and the circuit is Off.No: When the magnet is near, the circuit is off,When the magnet moves away and the circuit is ON.
MC-38 Surface Mount Wired NC Door Sensor Alarm Magnetic Reed 27 x 14 x 7.8mm
Long wire lead that can side mounted.2. Work as an anti-theft alarm, ideal for wood door and window.Nc: when the magnet is near, the circuit is on;When the magnet moves away and the circuit is Off.No: When the magnet is near, the circuit is off,When the magnet moves away and the circuit is ON.