There is no need to add water daily, providing clean drinking water for your birds. Ideal for chickens, ducks, geese, quails, turkeys, and other small animals. Simply prepare a bucket to complete the setup. Automatic chicken waterers are a great addition to any coop. These poultry water cups provide a constant supply of fresh water. Compatible with 5-gallon buckets or other containers. Package includes: 16 x Poultry Automatic Drinker, 1 x Drill Bit, 16 x Mounting Nuts and Silicone Rings. Suitable for chickens, ducks, geese, turkeys, quails, and rabbits. The nearly 3-inch diameter allows chickens to dip their wattles and ducks to access water easily. Gravity-sensing valve releases water as needed. Simple design ensures durability for long-term use. Not intended for use with high-pressure tap water systems. Size: 10.5 x 4cm Material: Plastic Color: Red Package Contents: 16 x Chicken Waterer 1 x Drill Bit Note: Light reflection and display differences may cause slight color variations. Measurement error allowed is +/- 1-3cm.