Description: 1. It can test pressure of liquid. 2. The float switch is a switch which regulates fluid level in the tank or well etc. 3. The float switch is resistant to water(sewaga water). 4. It is relative capable of being used for oil,mostacids and alkalis. 5. This Water Level Sensor is made of high quality material to ensure a long lasting performance, and it is a type of non-toxic material to ensure a safety use. 6. The float switch is not explosion proof. 7. This Float Switch Liquid Fluid Water Level Sensor can be widely used in water supply, drainage and liquid level automatic control with a variety of pump supporting. 8. This Liquid Water Level Sensor is easy to install, and convenient to use. Specification: Color: Yellow + Blue. Material: PP. Protection class: IP65. Working pressure:  0.1MPa. Rated current/voltage:  16A/ 250V. Operating temperature: 0~75℃. Electrical life: 1 x 100 000 times. Mechanical Life: 5 x 100 000 time. Environment: pool, oil, weak acids, and bases in water or oil pool, Cylinder:  61x55mm/ 2.4x2.17in, Wire Length: 0.6/2/3/4m. How to Use: - Filling: Using wires: 'Black' and 'Blue'. with these contacts the regulator closes when Down. Opens when up. - Emptying: Using wires: 'Black' and 'Brown'. with these contacts the regulator closes when up. Opens when down. Note: 1. Please allow 1-3mm error due to manual measurement.Pls make sure you do not mind before you bid. 2. The color may have different as the difference display,pls understand. Package Included: 1 X Float Level Controller(with retail package)