Description: This Liquid Water Level Sensor can be used to detect the liquid levle in tank/container. Non-contact, works without direct contact with the liquid inside the tank. Tiny in size, easy to install. Non-contact Tank Liquid Water Level Sensor Switch Container Water Level Switch The thickness of the tube/pipe/tank/container should be less than 10 mm. Specification: Size: 32*22*10mm Cable Length: 40mm Package Includes: 1 piece Liquid Water Level Sensor