REDUCE WASTE: Compared to traditional chicken feeders, this automatic chicken feeder design for chickens minimizes feed waste, spills and messes, saving on feeding costs. (This doesn't mean there is no waste at all, it depends on actual usage.)EASY TO INSTALL: You just need to prepare the container and drill, no additional hardware is required, so you can easily assemble the plastic chicken feeder in minutes. This set of chicken accessories kit includes 4 sets of chicken feeders and a hole sawMULTIFUNCTIONAL AND PRACTICAL: This anti-freeze chicken feeder is suitable for all containers such as buckets, buckets, crates, troughs, etc. You can also base yourself on the size of the poultry (eg: chick, big chickens, etc.)With a securely fixed rubber ring and cap seal design, this chicken water dispenser keeps food dry even in rainy days, and when night falls, the Plug power port protects your power supply from rodents and pests. 1. Make a mark (3") on the bottom of the container.2. Use the provided hole saw to drill the holes.3. Insert the supply fitting and hand tighten to ensure a tight seal.4. The feeder can be plugged in at night to prevent pests. Note: Due to manual measurement, the size may have an error of 2 cm/1 inch; Due to different displays and angles, the color and size may be slightly different, thank you for your understanding! HANBING welcomes your purchase! We look forward to showing you your shopping experience. "