10PCS Normally closed vibration sensor module alarm sensor switch SW-420 #YT

50PCS NEW SW420 Blue Vibration switch SW-420vibration switch Vibration sensor#YT

1PC NEW Normally closed vibration sensor module SW-420

5pcs17AM Motor Thermal Protector Normally Closed Temperature Controller

5PC NEW Normally closed vibration sensor module alarm vibration switch SW-420#YT

20PC NEW Vibration switch SW-420 sensor module

1PC NEW Induction module vibration switch SW-420 #YT

1PC PS-3150 Normally Open Proximity Magnetic Sensor Reed Switch