Liquid Water Level Sensor Stainless Steel Float Switch Swimming Pool Tank 500mm Used to detect the level of liquid in the tank, the switch can activate the pump, indicator, alarm or other devices. Simple design, easy to install liquid level controller. Lightweight and simple operating principle, high reliability. It can be installed on top of the tank to detect water or fall. Specification: Material: Stainless Steel Length: 300mm, 400mm, 500mm (optional) Type: Double Ball Operating Voltage: 0-220 V Operating Current: 0,5-1A Operating temperature: 0-120 Operating pressure: 1 MPa, highest 5 MPa The package includes: 1 piece float switch Note: The float switch cannot directly control solenoid valves or power relays, exchangers and contacts, etc. To add a small passage. The two-level float switch can be used to control water tanks, ponds, tanks, aquarium (drainage or water) or to switch the upper and lower level alarm.