Automatic Pet Feeder with Camera Timed Dosing 4L Dry Food Dispenser Dual Power Supply for App Remote Feeding for Cats and Dogs Features: Timed and Quantitative Automatic Feeding: No matter where you are, just set the time and amount of food, and the automatic feeder will provide meals for your pet on time. Pet Owner's Original Voice Calling, Real-time Video, Voice Interaction: You can call meals with your voice through the mobile app, and keep in touch with your pet through real-time video and voice interaction. Anti-blocking Pet Food Design, Multiple Meals without Blocking, 4L Large Capacity: The feeder is well designed to prevent food from blocking. The 4L large capacity can store a large amount of food to meet your pet's multiple meal needs. Power Supply/Dry Battery, Dual Power Supply, Fearless of Power Outage: The feeder can be powered by power supply or dry battery, and can work normally even in the event of a power outage. Dry Box Preservation, Easy to Disassemble and Wash, Mobile Phone Remote Control, Clear Feeding Record: The feeder has a built-in dry box to keep the food fresh; the device is easy to disassemble and wash; you can control the feeder remotely through your mobile phone and clearly view the feeding record. Visual Grain Barrel, Check the Remaining Grain at Any Time: The grain barrel of the feeder is designed to be visual, and you can check the amount of remaining food at any time. Specification: Optional plug: EU / US / UK Standard Color: White+Black Material: ABS Capacity: 4L Food: Dry food, recommended food diameter:2-14mm Remote feeding: mobile phone control, manual feeding 1-12 servings per meal, about 8g per serving Recording function: Support recording 10 seconds of voice; accompanying playback when feeding at regular intervals. Feeding Settings: Timed feeding 1-10 meals/day, about 8g per portion. Power failure: Battery back-up design, no food without internet or power failure   Rated voltage: 5V Dual power supply system: power adapter priority / Alkaline 1 batteries*3 (batteries need to be purchased) Standby power consumption: 1.5W Product Size: 19*19*32cm Package Size: 20*21.5*35cm Package Weight: 1.93Kg Package list: 1* Food Dispenser 1* User manual 1* Power Adapter 1* Data Cable 1* Drier