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

10 Sets Magnetic Reed Switch NC Magnetic Contact Switch for Door Window

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

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

Magnetic Reed Switch, 6 Sets NC Wired Door Window Contact Switch for Home

5Sets Magnetic Reed Switch, Magnetic Door Switch/Magnetic Contact Switch/Normall

10 Set Magnetic Reed Switch NC Magnetic Contact Switch for Door Window

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