Feature: 1. [Dual Power Supply] Automatic pet feeder with dual power supply design, can be plugged in or battery powered, power failure save, can ensure that the feeding schedule and clock are not affected by power failure. 2. [With Safety Lock] Automatic feeder with button lock to prevent pets from misuse, fully airtight food bucket, the top cover with a dry box can be put into the desiccant to ensure that the food stays tasty. 3. [Easy To Use] 6 touch buttons, easy to operate. Concealed food outlet, beautiful, to avoid pets pulling out food. Equipped with manual feeding buttons (up to 5 servings), you can control and feed at any time. 4. [Buckle Lid And Clear Window] Pet food dispenser lid buckle design avoids spilling food when the device is pushed down and is easy to disassemble for cleaning. With a clear window, the remaining food can be seen. 5. [Smart Design] Smart pet food feeder supports 2 to 15mm dry food or freeze dried food, multiple anti food jam design, with low food, lack of food, stuck food, blocked food, low battery alert. 6. [Recording Function] This pet dry food feeder supports recording and playback, can record 10 seconds of voice, and the number of recordings played can be set individually from 0 to 5 time. Specification: Item Type: Automatic Pet Feeder Material: ABS, Stainless Steel Use: Pet Timing Smart Feeder Capacity: 3L Feeding Plan: 1-6 Meals Per Day (7g/0.2oz Per Servings), Up to 50 Servings Per Meal Support Battery Type, Number: 3 x D Batteries (Shipped Without Batteries) Suitable for Type: 2-15mm / 0.08-0.59in Dry Food Or Freeze Dried Food. Package List: 1 x Automatic Pet Feeder1 x USB Data Cable 1 x Feeding Base Plate 1 x Stainless Steel Plate1 x Instruction Manual Note: Power supply and battery can be used separately, no battery can also be directly connected to the power supply.