Features: This float switch is a simple structure,easy installation liquid level controller. It does not have a complex circuit, will not be disturbed, as long as the material selection, liquid,pressure or temperture can be used in any environment. Light weight and simple working principle, high reliability. Applications: Can be used to sense the level of liquid in a tank. Can activate a pump, an indicator, an alarm or other device. Use it with hydroponics, saltwater tank, freshwater tank, gardening, aquariums for power head control, pet bowls, fish tanks, filtration, heating, or what ever your project may be contains no mercury. Specifications: Material: Stainless Steel Color: Silver Body+White Cable Voltage: AC 220V Switching Current(Max): 0.5A Wattage(Max): 70W Temp. Range: -10-120 Screw Thread Diameter: M10 Quantity: 1 Pc Note: Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! No Retail Package Package Contents: 1 x Float Switch