Description 【DUAL POWER】When AC power fails, battery power will be available. Power battery, With three D alkaline batteries (Not included in the package). You can choose the appropriate power supply according to your needs. 【Infrared Detection】Built-in infrared detection can prevent food overflow or blockage and let your pets enjoy meals. this system can be adapted to all forms of dry food. 【Voicemail Recording】: Even if you don’t stay at home, you can record voicemail to call dogs or cats to eat or drink. this dispenser can record your voice for 10 seconds to call pets for meals. You no longer have to worry about your pet forgetting to eat meals or feeling lonely. 【Preset Feeding Time and Quantity】Precise feeding, control the amount of food and keep your pet healthy. This automatic feeder can provide 4 possible meals a day, you can pre-schedule the time you want your pet to eat and the quantity of each meal (from 5g to 100g per meal, there are 29 servings, 5g for one serving), the