There is no need to add water or change it daily, allowing birds to drink clean water consistently. This automatic poultry watering system is ideal for chickens, ducks, geese, quails, turkeys, and other small animals. Simply prepare a bucket to set up the system. Automatic chicken waterers are a great addition to any coop. The chicken water cups provide a continuous supply of drinking water for your flock. Compatible with a 5-gallon bucket or any suitable container. Package includes: 16 pcs poultry automatic drinkers, 1 hole drill bit, 16 pcs mounting nuts, and silicone rings. This bird watering kit works well for chickens, ducks, geese, turkeys, quails, and rabbits. The nearly 3-inch diameter allows chickens to dip their wattles and ducks to access water comfortably. The gravity-sensing automatic valve releases water when needed. The simple, durable design ensures long-term use without damage. Not intended for use with high-pressure tap water lines. Size: 10.5 x 4 cm Material: Plastic Color: Red Package Contents: 16 x Chicken waterer 1 x Drill bit Note: Light reflection and differences in display screens may cause slight variations in color compared to the actual item. Measurement may vary by +/- 1-3 cm.