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

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

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

3 Sets Magnetic Reed Switch NC NO Magnetic Contact Switch

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

Magnetic Reed Switch, 1 Set NC Wired Door Window Contact Switch for Home

2Sets Magnetic Reed Switch Normally Open Closed NC NO Door Alarm Window

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