HGD&reg; Electronic Portion Control Programmable Automatic Cat Dog Pet Feeder 5.5 Liter Capacity Dispense 3 Meals Per Day Automatic feeder can be programmed to dispense up to 3 meals per day Voice Recording/Warning. Use dry dog or cat food only Large LED Display Easy to Disassemble and Clean Powered by three D-size batteries (NOT INCLUDED). Alkaline batteries ae better.