10 Sets Pack Of Wired Surface Mounted Alarm Magnetic Contacts For Doors And Windows With Double Sided Tape Reed Switch Sensors, No Brainer Diy Install For Home Security System, NC, 15mm Gap, Works On Wood Glass Or Plastic

10-Set Wired Surface-Mounted Magnetic Door/Window Contacts Pack
✔️ NC normally closed, ≥15mm gap, surface mount, screw terminals

The 10-set wired surface-mounted magnetic contacts are designed for wooden, glass, or plastic doors, making DIY home security setup quick and clean. They install with strong double-sided tape or screws for a tidy, reliable connection to your system.

✅ Suitable for wooden, glass, and plastic doors
✅ Surface mounted with double-sided tape or screws for easy install
✅ Operation gap ≥ 15 mm (non-magnetic environment test)
✅ NC (normally closed) contact, switches OFF when door opens
✅ Max switching voltage 28 VDC, current 0.2 A, load 3 W
✅ White ABS plastic housing for indoor use

💡 What is a door window magnetic contact sensor used for in a DIY home security setup? Handy overview helps you decide if this fits your needs.

• handy for monitoring door or window openings with a normally closed circuit
• easy surface-mount installation with tape or screws
• works with wooden, glass, or plastic doors and common alarm panels
• ABS housing resists dust and indoor moisture for reliable use