Esky Large Electronic Portion Control Programmable Automatic Cat Dog Pet Feeder 5-Liter Capacity Dispense 3 Meals Per Day Programmable portion control (from 1 cup to 12 cups) and feeding schedule (1 to 3 times per day). See-through food drum with capacity of up to 5 liters of dry food. Works best with 0.5" or smaller diameter dry food. Capable of recording up to 10-sec voice message to be played three times for each feeding. Powered by three D-size batteries (NOT INCLUDED).