FEED YOUR PET WHILE YOU’RE AWAY - Schedule up to 4 automated feedings per day using the built-in programmable timer. Program each meal time with a few button clicks on an easy to use LCD screen. Control food portions from 2 teaspoons to 4.5 cups per feeding. NEVER MISS A FEEDING. This feeder is wall powered and/or battery powered. In case of a power outage, the feeder will continue to function on 3 D-size batteries. You can program a unique portion size for each automatic feeding, allowing you to ESTABLISH REGULAR EATING ROUTINES throughout the day without any stress. RECORD A CUSTOM MESSAGE FOR YOUR PET - Keep your pet excited about meal times! Press and hold the mic button for three seconds to begin recording a message to be played as each feeding dispenses. (e.g. Here, Fido! Come and eat, boy! Good doggy.) Suitable for dry food only, with the food pellet size ranging from 0.2-0.6 inches in diameter; up to 4 meals a day. The removable hygienic feeding tray is dishwasher safe and easy to clean. LARGE STORAGE COMPARTMENT - The main food storage compartment can hold up to 20 CUPS of food and is removable for easy cleaning and refilling.