【Wired or Battery Power】Choose between a fixed wired connection with the 5V adapter USB power cable or a portable 3*AA dry battery-powered feeding station( AA battery not included). Flexible options prevent your pet from going hungry during power outages. 【Easy Programmable Feeding Times】 Reliably feed your beloved pet at your convenience any time during the day or night. Set between 1-4 meals with 0-50 portion choices to automatically dispense food to give a personal customized diet for your pet. 【High-Capacity Food Storage】The 4L/16.9 Cup (1 Cup = 48 Tsp) food storage will keep most pets comfortably fed for several days. Easily keep your cat or dog fed during long weekends and short business trips. Get the peace of mind of a full and happy pet. 【User-Friendly Operation】Intuitive LCD screen makes setup and programming a breeze. Cleanable parts foster a healthy environment for your pet’s food. 【Operating Tips】Suitable for dry food only, with the food pellet size within 5-15mm, up to 15 meals. The main food storage compartment can hold up to 4L of dry food and is removable for easy cleaning and refilling.