PROGRAMMABLE MEAL SIZE AND TIME - Amzdeal automatic dog/cat feeder can hold 20 cups of dry food and gives your pet up to 4 meals per day. The feeding size can be adjusted to 0 - 10 portions. 1 portion is about 20g (1/6 cup). So you can program certain meal size and time for your cats or dogs and don’t worry that no one takes care of them when you are gone for a few days. BATTERIES AND USB POWERED - The dog/cat food dispenser comes with AC adapter and also supports 3×D batteries (NOT included). In order to make sure your pet will be fed on time, it is better to get batteries as back up in case of a power outage. Also, it is helpful to save the settings if the power goes out. So you don’t need to reset the pet feeder again. EASY TO CLEAN - The container and bowl of cat food dispenser is detachable. After your pet enjoyed the meal, you can remove the container and bowl easily and then clean them. So the pet feeder would keep clean all the time. INFRARED SENSOR - Automatic dog/cat feeder is designed with infrared sensor, which can detect if food is coming out. Helpful to prevent the food from over spilling or stuck. VOICE RECORDING - Automatic pet feeder can record your voice for 16s to call your cat or dog. And it will play your voice 3 times when the cat feeder dispenses food. Then your lovely cat or dog will go running and enjoy a wonderful meal. Maybe since then, your pet will can’t wait to hear you voice every day. LOL