Item Type: Automatic pet feeder Product Material: ABS Battery Type: 3 x D batteries are required (shipped without batteries) Weight: 1890.00g/66.67oz Package List 1 x Automatic Pet Feeder 1 x Adapter 1 x Connecting Line 1 x Instruction 1 x Plate 1Power Supply Mode: The product uses external adapter and internal battery dual power supply combination; It can automatically change the battery mode to prevent it from being unavailable after accidental power failure 2Product Design: The grain agitating piece of the feeder is designed with soft rubber, matched with baffle and impeller, so that the grain discharging process is unblocked, and users do not need to worry about grain jamming. 3Sealing Design: The product uses widened and thickened silicone sealing ring, which effectively insulates the air and prevents the oxidation and deterioration of grain. 4Convenient Washing: It can be disassembled to make washing more convenient; Users can easily disassemble it without screwing and wash it with water. 5Large Capacity: This product is equipped with a 6L large capacity translucent barrel; Translucent grain storage barrel is convenient for users to observe the status of surplus grain and replenish food in time.