Automatic fish feeder makes it convenient to dispense food for fish tank when you are busy with work, travelling or anywhere. Equipped with 2 granaries for meeting different needs, food dispensing amount is adjustable too. Features: Supports one key manual feeding or automatic feeding (12h/time, 24h/time), the manual feeding has no affect on the preset timer. Equipped with 2 granaries (210ml, 100ml) for meeting various needs, can hold grain, large grain, sliced, strip and more shapes of fish food. The food dispensing amount can be adjusted with 6 levels manually; transparent design for monitoring the fish food easily and conveniently. Easy to install with the adjustable clamp, suitable for open fish tank in house, aquarium, etc. Powered by 2 AA batteries (not included), low power consumption, strong endurance. Note: 1. Fish food shown in the picture is not included. 2. Size and color may be slightly different because of manual measurement and different light conditions. Thanks for understanding. Specifications: Color: Black + Blue Material: Plastic 2 Time Settings: 12h/time, 24h/time Feeding Mode: Manual/ Automatic Power Supply: 2 * 1.5V AA Battery (NOT included) Item Size: 135 * 117mm / 5.31 * 4.61in Package Size: 14 * 8.5 * 8cm / 5.51 * 3.35 * 3.15in Package Weight: 353g / 12.80oz Package List: 1 * Fish Tank Automatic Feeder