[【Package included】1* Automatic Animal Drinking Bowl (with drainage hole) 1m 3/4" female GHT Water Hose 2* water floats 2* Mounting Bolts 【Material】 Made of high quality 304 stainless steel anti-rust and anti-deformation sturdy and durable easy to clean.All accessories are made of environmentally friendly materials please use it with confidence. 【Working Principle 】This automatic dog water dispenser is use the float ball water level floating principle the floating ball rod is connected to the valve and when it rises to a constant level the rubber piston will close the valve. When the water level drops the float also drops and the rod drives the piston to open. It keeps the water bowl full of clean water at all times. .【Wide application】 Fully automatic Animal drinker is suitable for many kinds of places such as farms ranches and yards. Suitable for automatic drinking water for cows horses goats pigs dogs. Compared with traditional sinks it can achieve more than 30% water saving efficiency. 【Easy to install 】 Not only can be placed directly on the ground but also the water bowl can be fixed on the wall with expansion bolts which is easy to operate.There is a drainage hole at the bottom to release residual water.and baffle can not only prevent the float from being damaged by animals but also prevent the feed from entering .]