1. Automatic feature: our poultry drinking bowl is automatic design, the water can come out automatically according to the amount of water in the bowl, so you don't have to train your poultry how to drink water, convenient for you to use.2. Reliable to use: these automatic filling waterers are made of quality material and stainless spring, durable and sturdy, no-leakage, safe for you to use, also not easy to break, you can use them for a long time.3. Easy to install and clean: this watering cup is easy for you to use, can be connected with bucket, pipe conveniently, it's also simple to clean, the water control valve is inside, there is no blockage in the bowl, making it easier to clean.4. Wide range of use: the drinking bowl is designed with large cup size, approx. 3 inches in cup diameter, the bowls are suitable for chicken, ducks, turkeys, birds and so on, they will be your practical and helpful items. Notes 1. Please allow slight measuring deviation due to manual measurement.5. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store