Features:          The 4-liter food capacity is suitable for large, medium and small pets. It can provide food for pets for several days to prevent hunger, especially when people work overtime, stay up all night or travel on business.      Removable design, easy to clean. The base is stable and anti-skid to protect pets. The built-in infrared sensor can monitor whether food needs to be added.      You can press and record the owner's voice to remind the pet to eat. This voice message lasts for 10 seconds. It will automatically play 3 times before each meal to remind pets to eat regularly and keep healthy.      This pet food feeder has dual power supply, battery mode (requires a 3D sized battery) and AC adapter power mode. When fully charged, the battery mode can ensure that your pet eats on time.      Timed feeding settings. You can set the meal time (hours, minutes) and meal volume. This timed pet feeder can distribute food at an appropriate time, 1-4 meals a day (breakfast, lunch, dinner, the fourth meal), with a maximum of 100g.      Specification:          Material: ABS      Color:White& 65292;Black      Size: As the Picture      Capacity: 4L      Applicable Food: Dry Food      Dual Power Supply: DC5V/1A USB power supply and 3 AA batteries (not included), & 65288;priority adapter power supply (included)& 65289;      Memory Function: in case of power failure, the system will automatically save the current feeding parameters      Size: As Shown      Package Included:          1 x Automatic Pet Feeder(Not included batteries)      1 x Power Adapter      1 x Use Manual