3pcs PP Float Switch M10 57mm Vertical Liquid Water Level Sensor for Tank Pool

2pcs PP Float Switch M10 90mm Fish Tank Vertical Liquid Water Level Sensor

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

PP Dual Ball Float Switch M10 115mm Fish Tank Vertical Liquid Water Level Sensor

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

2pcs PP Float Switch Fish Tank Liquid Water Level Sensor Right Angle Plastic

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

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