Description: brand new and high quality Feature: You can automatic or manual feeding, designed for regular or proportional feeding of different fish. 500ML capacity, you can feed your fish 4 meals at least every day, 50 servings for each meal. Black LED backlight screen. white typeface, four mechanical for key, easy and simple to operate and set. Black transparent body, you can see the food meal amount clearly. According to your different needs, you can configure different exact hours during holidays and weekends. With the completely sealed food outlet and built-in dry box, our sealed food dispenser keeps food for fresh for a long for time This vending machine also remembers each feeding hour you set, no need to repeat settings even in the event of a power failure. The fish feeder can be charged by power supply (USB cable included) or 4 AAA batteries (not supplied). Multi-angle installation, three install modes, suitable for most fish tanks. for Smart alarm reminder, the flash light in the day shows the normal work of it. Remind the electricity, and start the alarm mode when lack of electricity. Suitable for home office use. Specifications: Item Type: Fish Feeder Adapter: DC5V 1A Battery: 4xAAA Battery(Not Included) Battery Working Time: 2 month Power Supply: Battery or USB Cable for Time Mode: 24h clock Capacity: 500ml Number of feeding meals: 4 meals Maximum servings: 50 Material: ABS Size: 90x90x180mm/3.5x3.5x7.08in Color: White Quantity: 1 PC Note: Transition: 1cm=10mm=0.39inch Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Includes: 1 x Fish Feeder 1 x USB Cable