Automatic Fish Feeder Vacation Fish Feeder Timer Dispenser For AquariumsDescription:Large Capacity - Two transparent feeding drum for different feeding demand and good to monitor food levelEasy to install - Simply to fix the feeder on the tank wall by using the holder or paste the feeder on the tank cover by double-side sticker(NOT included)Easy to feed - Two feeding modes to choose, auto feed fish once or twice per day.Manual button - Instant feeding can be done by just pressing the Manual button, feed your fish at any time with one press buttonSuitable for a variety of fish feed, like pellets and flakes. Work with two AA battery(NOT included)usage notice:1. About the battery: The feeder uses 2 AA batteries (NOT included), and it lasts for 2-4 months according to different feeding times.2 Regarding the amount of feeding: The feeder can be set once every 12 hours and once every 24 hours. The opening of the feeder is set according to your fish species. It is recommended to feed less and more meals, and adjust the reasonable feeding amount slowly to avoid excessive feeding and polluting the water quality.For example: Feeding consumes 2g at a time, twice a day, a full small food box can be automatically fed for 12 days, a full large food box can be automatically fed for 25 days, a small food box has a capacity of 50g, and a large food box has a capacity of 100g. Specifications:Battery: 1.5V AA x 2(Not included)Control mode: Manual and Automatic (12/24 hours)Color: blue and yellowPackage Included:1 x Automatic Fish FeederNOTE:1.Fish feeding ring is suitable for feeding flake foods and floating foods.No use for sinking food.2.Please clean the feeding ring regularly to ensure the quality of fish water and protect the safety of fish better.