Automatic water device; Swimmers always float in the water.When the water rises, the swimmers swim and the bar powered by the also rises.Connected to the rod and the valve, if up to a certain position, close the water.Easy installation and flexible adjustment, can be installed at any angle.Non-toxic, tasteless, can be used for drinking water; Suitable for chemicals, corrosion, household, aquarium etc.Color: whiteMaterial: PlasticWeight: 60gAperture: 1/2 inchPressure: 0.1 - 1.2MPaWater temperature: 0 - 70 CelsiusPackage includes:1 x 1/2 inch float valve switchOnly the above package content, other products are not included.Note: Light 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.