Magnetic Door/window Opening Sensor Reed Switch MC-38

A magnetic sensor that easily detects the opening of doors, windows, cabinets, etc. It consists of two elements: a reed switch and a magnet. When the magnet is removed from the reed switch, its contacts open and the circuit stops conducting current. When the magnet is brought closer, the circuit closes and current flows through the reed switch contacts. Specifications: Maximum current through the contacts: 100mA; Maximum voltage: 200V DC; Operating range: 15-25mm; Double-sided tape for easy installation; Housing color: white; Dimensions: 2.8cm x 1.4cm; Wire length: 33cm. The set includes: a magnet element; a reed switch element.