10Pcs Plastic Reed Switch Reed Contact,Magnet near - Connect Circuit, Magnet Awa

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

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

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

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

Door Window Contact Sensor (NC) Magnetic Reed Switch Rolling Door Contact Alarm

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

5 Sets Magnetic Reed Switch NC Magnetic Contact Switch