Magnetic Reed Switch, 5 Sets NC Magnetic Contact Switch for Door Window

Magnetic Reed Switch, 2 Pack NC NO Wired Magnetic Contact Switch, Black

Magnetic Reed Switch, 4 Pack NC Ring Alarm Contact Sensor Switch, Brown

Magnetic Reed Switch, 2 Sets NO NC Wired Door Window Reed Switch, Black

Magnetic Reed Switch, 1 Set NO NC Wired Door Window Contact Switch

Magnetic Reed Switch, 3 Sets NC NO Magnetic Contact Switch for Door Window

4 Pack Magnetic Reed Switch NC Ring Alarm Contact Sensor Switch Brown

Magnetic Reed Switch, 1 Set NO NC Wired Door Window Contact Switch for Home