" Want to know more about the settings & nbsp; Consult the “Product Guides and Documents” below Important reminders: 1. This automatic pet feeder is designed for dry food only. 2. In order to avoid food jams, the size of the granules should not exceed 15 mm. 3. Do not put your fingers in the food outlet or try to touch the rotor. 4. Do not immerse the main unit in water as this will damage the electronic components. 5. This timed cat feeder requires 3 D-type batteries. If the unit is powered only by batteries, the batteries will last up to 3 months under normal use. 6. Batteries are not included in the packaging.c "