6pcs 2mm*14mm Reed Switch Reed Contact Normally Open (N/O) Magnetic Induction

Reed Switch - Open Magnetic Sensor Switch - Plastic - Free UK P&P

6 Reed Switch Normally Open

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 for Home

IoT Compatible 10PCS N/O Reed Switch Magnetic Switch 2*14mm Normally Open

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