Magnetic Reed Switch, 2 Pack NC NO Wired Magnetic Contact 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

Magnetic Reed Switch, 2 Sets NO NC Wired Garage Door Window Contacts

Magnetic Reed Switch, 2 Sets NO Wired Garage Door Window Contact Switch for Home

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

Magnetic Reed Switch, 2 Sets NC Wired Garage Door Window Contacts

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