Four Pack Magnetic Reed Switch Kit For Door And Window Security Gear Includes Normally Open And Normally Closed Contacts Must Have Alarm LED Relay Setup Works With DC 5V 12V 24V Lighting And Low Voltage Devices

Four Pack Magnetic Reed Switch Kit for Doors and Windows
✔️ NC/NO/COM contacts, 10-20 mm trigger, 4-pack kit

This four-pack magnetic reed switch kit is designed for doors and windows and is commonly used with alarm systems and low-voltage lighting to detect openings and trigger signals.

✅ Four magnetic door switches per pack; NC/NO/COM options
✅ Trigger range 10-20 mm; max voltage 100V; current 500 mA
✅ Compact ABS black housing; size 55×12.5×11.5 mm (2.17×0.49×0.45 in) each
✅ Screw-mounted for easy installation on doors or frames, compatible with alarm systems

💡 What is a magnetic reed switch kit used for in door and window security applications? This handy kit helps monitor entry points and signal low-voltage devices. - Easily signals door/window openings to alarms and LED indicators - Handy for retrofits on existing frames in homes or small businesses - Works with 5V/12V/24V systems using NC/NO/COM contacts