Durable Stainless Steel Construction Made of stainless steel, this 45mm float switch offers excellent corrosion resistance, rust prevention, and long service life, making it ideal Compatible with continuous use in water and most non-corrosive liquids. Accurate Vertical Water Level Sensing Designed as a vertical water level sensor, the float moves up and down with the liquid level, providing reliable on/off switching Compatible with water level control in tanks, pools, and containers. Compact 45mm Float Design The 45mm float size is compact yet sensitive, ensuring precise level detection even in small or narrow tanks, while remaining easy to install in limited spaces. Wide Application Range Suitable Compatible with water tanks, pools, aquariums, reservoirs, industrial water systems, household water storage, and many other liquid level detection and control scenarios. Easy Installation & Integration Features a simple vertical mounting structure that can be installed through the tank wall. The electrical leads are easy to connect to controllers, pumps, alarms, and other automation equipment. Color: As Shown Material: Stainless Steel Package Contents: 1*45mm Stainless Steel Float Switch Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.