Digital timer for scheduling meals at set times of the day. One open tray and 2 further scheduled meals set at your chosen times. 3 x AA batteries are required. Each food compartment can hold 330g, wet food will stay fresh for up to 24 hours (ambient temperature dependant) due to the changeable ice-pack housed in the bottom of the feeder. Tamper-resistant lid to pets and fly proof. Easy to clean, removable, dishwasher-proof lid and bowl