Petmate Portion Right Programmable Food Dispenser AUTOMATIC REFILLS: Programmable pet food dispenser releases pet food at designated times, ideal for busy pet parents FOOD STORAGE: Twist-lock lid keeps food fresher for longer and is easy to remove for convenient refills EASY TO PROGRAM: Automatic dog feeder features a large LCD screen makes it simple for pet parents to schedule meals and set portion sizes EASY CLEANING: Bowl is easy to detach from the dog and cat food dispenser for convenient hand washing STABLE & SECURE FOOD STATION: Bowl locks securely into stand to prevent stability; twist-lock lid prevents pets from accessing the stored food inside the dog food dispenser SLEEK, METALLIC FINISH: Neutral, "Brushed Nickel" finish complements any room of the home BATTERY OPERATED: Timed cat feeder runs on three 'D' cell alkaline batteries, not included with purchase