quality material: The feeder and water dispenser are made of durable, nontoxic plastic that is safe and hygienic for your birds. The material stays robust with frequent use and does not emit harmful substances, helping protect the health of your feathered friends. Automatic feeding design: Compact dimensions 18.5 x 8.5 x 7.5 cm. The curved sliding structure provides even feed release, and the automatic system refills food continuously without blockages. The lid allows easy refilling so your birds always have fresh snacks available. Large capacity: The feeder holds approximately 270 g of seeds, while the water dispenser holds up to 500 ml. This generous capacity ensures your birds have sufficient food and water for longer periods, which is ideal for busy owners or during short absences. Easy to install: Assembly is straightforward and requires no additional tools. The device can be attached to your bird cage both inside and outside, offering maximum flexibility and adaptation to your needs. Use scenarios: Busy households: The large capacity reduces how often you need to refill, keeping birds fed and hydrated during workdays or busy periods. Outdoor or multibird setups: Attach the unit inside or outside the cage to suit your cage arrangement and space. Short absences or traveling: The continuous feeding and water supply help ensure your birds are cared for when you're away briefly.