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

10pcs Reed Switch Normally Open Magnetic Induction

Thumbwheel Toggle Switch - Tripod Head PCB - Free UK P&P

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

Rotation Sensor Module - 270 Degree Switch - 3 Pin Out - Free UK P&P

100VDC Surface Mount Wired NC / NO Door Window Sensor Magnetic Reed Switch DIY

Magnetic Reed Switch, 2 Pack NC NO Wired Magnetic Contact Switch, Black

100V Surface Mount Wired NC/NO Door/Window Magnetic Detector Switch/Reed Sensor