AC/DC 5V Water Level And Liquid Level Switch Sensor Automatic Control Board #A6-

3.3-5V Liquid Level Controller Digital Air Barometric Pressure Sensor Module #A6

5PCS 3144E Switch Hall Effect Sensor Speed Counting Magnetic Detector 3.3V-5V #A

3144E Switch Hall Effect Sensor Speed Counting Sensor Magnetic Detector 3.3-5V #

1PCS DC 220V Liquid Water Level Sensor Right Angle Float Switch for Fish Tank YL

PP Liquid Water Level Sensor Horizontal Float Switch Down 52mm #A6-22

DC 220V Liquid Water Level Sensor Right Angle Float Switch for Fish Tank #A6-22

AC/DC 9V-12V Water Level Detection Module Liquid Level Controller Sensor #A6-22