10pcs Reed Switch Normally Open Magnetic Induction

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

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

Magnetic Reed Switch, 2 Sets NC Wired Door Window Contacts

Magnetic Reed Switch, 4 Pack NC Wired Magnetic Contact Switch, Black

Magnetic Reed Switch, 4 Pack NC Wired Magnetic Contact Switch, White