Automatic function: Our poultry bowl features an automatic design. The water comes out automatically according to the amount of water in the bowl, so you don't have to train your poultry to drink water. Convenient to use. Reliable to use: These automatic waterers are made of high-quality materials and a stainless steel spring. They are durable and sturdy, leak-free, safe to use, and shatter-resistant, and can be used for a long time. Easy to install and clean: This water cup is easy to use and can be easily connected to a bucket or hose. It is also easy to clean. The water control valve is located inside, so the bowl is free of clogging and therefore easier to clean. Wide range of applications: The bowl has a large bowl with a diameter of approximately 7.6 cm. This bowl is suitable for chickens, ducks, birds, etc. It is a practical item. Connection method: Use a 9.5 mm drill bit to drill holes 2.5 cm above the bottom of the bucket, or use a 5/16" inner diameter and 7/16" outer