2pcs PP Float Switch M8 46mm Fish Tank Vertical Liquid Water Level Sensor

2pcs PP Float Switch M8 46mm Fish Tank Vertical Water Level Sensor for Tank Pool

2pcs PP Float Switch M8 46mm Fish Tank Vertical Liquid Water Level Sensor

Reliable 2pcs Float Switch M8 for Water Level Detection in For Tanks and Pools

2pcs PP Float Switch M10 66mm Fish Tank Vertical Liquid Water Level Sensor

2pcs Float Switch M8 37mm Fish Tank Vertical Liquid Water Level Control Sensor

2pcs PP Float Switch M10 77mm Fish Tank Vertical Water Level Sensor for Pool

Water Level Sensor Tank Float Switch Pool PP Liquid For Arduio ESP32 ESP8266