AUTOMATIC AND TIMED FEEDING - automatic fish feeders can be operated automatically or manually, making fish farming easier. Perfect for feeding your fish on a scheduled schedule (once or twice a day), or pressing the "manual" button to feeding immediately. Not waterproof, indoor use only.Battery Fish Food Timer - Capacity: 200ml/6.7oz; by 2 AA batteries (without battery), 2~3 months of use. This automatic fish is perfect for everyday use, whether you are at home or . There is also no need to worry about fish feeding when traveling on business.Suitable Foods and Fish Tanks - Suitable for types of fish food such as dry, bulk fish scales and pellets, flakes, pellets, powders and strips. Suitable for aquariums and fish tanks of all sizes. Not only for goldfish, also for feeding pet fish, , news and frogs.EASY TO USE - structure of the top feeding opening prevents food from being watered or clogging the dispenser, and it is easy to feed without removing the feed box. By adjusting the , the amount of fish feed can be easily controlled.Two methods of attachment - place the food on the aquarium, or edge mounted. Thickness from 0 to 33mm/1.3 inches is easily secured to the glass of the with the adjustable clamp base, or to the flat surface of the using the included double-sided sticker.Colour: blackMaterial: plastic Contents:1 * Automatic Fish Only the above content, other are not included.Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.