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

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

Magnetic Reed Switch, 3 Sets NC Magnetic Contact Switch for Door Window

5 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 Pack NC NO Wired Magnetic Contact Switch, Black

5 Sets Magnetic Reed Switch NC Magnetic Contact Switch

Magnetic Reed Switch Normally Open and Normally Closed NC NO Magnetic Proximi...