Features:The item can help you feeding your beloved fish in aquarium when you are working, shopping, or travelling outsideThe feeding food and time are adjustableBy the(Max,Min) slider, you can increase or decrease the amount of food dispensed per rotationCan work operated both automatically and manuallyMoisture proof for the foodFeeding time can be set to once or twice dailyUnique design to prevent food from moisture and cloggingEasy filling of the food drumFood drumfor is ideal for flakes or pelletsSpecifications:Model: AF-2003Power: 2x AA 15V batteries (The batteries are not included)Size: 100x75x95mm (39x 3x 37 inch)Color: BlackNet weight: 165gPack Includes:1 x Automatic Fish Feeder1 x user manual