Five Pack Recessed Wired Security Window Gate Contact Sensor Alarm Magnetic Reed Switch Door Sensor Normally Closed Magnetic Switch With 10mm To 15mm Sensing Distance And 33cm Lead Wire For Easy Home Security Installations
✔️ Five NC sensors, 10-15 mm sensing, 33 cm lead wires
These recessed wired door magnetic sensor switches are compact, black, normally closed devices that detect when a door or window moves away from its magnet, triggering alarms or notifications. They’re ideal for home security setups, apartment security kits, and DIY alarm projects where discreet sensing is important.
✅ Sensing distance: 10-15 mm
✅ Size: 29 × 15.5 × 9 mm
✅ Lead wire length: 33 cm
✅ Working voltage: 100 V (1-100 V)
✅ Working current: 0.5 A
✅ Maximum power: 10 W
✅ Service life: 1,000,000 cycles
✅ Package contents: 5 sensors, 20 screws, 10 stickers (black, NC)
💡 What is a door magnetic sensor switch used for in basic home security setups? It’s handy for monitoring entry points and triggering alerts when a door or window opens. - Handy for door/window security monitoring in homes and offices - Works with a matching magnet to form a normally closed circuit - Supports wired alarm integration and simple DIY security setups