Feature:1. Supports one key manual feeding or automatic feeding (4 groups settable), the manual feeding has no affect on the preset timer. Easy to set the timer via the operating buttons.2. Equipped with 200ml large capacity granary for meeting various needs, can hold grain, large grain, sliced, strip and more shapes of fish food.3. Digital screen for easy reading, it clearly displays current time, feeding amount (circles) and battery level. Powered by 2 AA batteries (not included), low power consumption.4. The food dispensing amount can be adjusted manually; semitransparent design for monitoring the fish food easily and conveniently.5. Easy to install with the adjustable and 360-degree rotatable clamp in house, aquarium, etc., suitable for open fish tank of which the glass thickness is within 24mm.Specification:Automatic fish feeder makes it convenient to dispense food for fish tank when you are busy with work, travelling or anywhere. Equipped with 200ml granary for meeting different needs, food dispensing amount is adjustable too. With operating buttons and digital screen for easy setting and reading.Features:Supports one key manual feeding or automatic feeding (4 groups settable), the manual feeding has no affect on the preset timer. Easy to set the timer via the operating buttons.Equipped with 200ml large capacity granary for meeting various needs, can hold grain, large grain, sliced, strip and more shapes of fish food.Digital screen for easy reading, it clearly displays current time, feeding amount (circles) and battery level. Powered by 2 AA batteries (not included), low power consumption.The food dispensing amount can be adjusted manually; semitransparent design for monitoring the fish food easily and conveniently.Easy to install with the adjustable and 360-degree rotatable clamp in house, aquarium, etc., suitable for open fish tank of which the glass thickness is within 24mm.Note: Size and color may be slightly different because of manual measurement and different light conditions. Thanks for understanding.Specifications:Color: Black + RedMaterial: PlasticScreen: Digital DisplayTime Setting: 4 GroupsFeeding Amount (Circles): SettableFeeding Mode: Manual/ AutomaticGranary Capacity: 200mlClamping Thickness: ≤24mmPower Supply: 2 * 1.5V AA Battery (NOT included)Item Size: 14.5 * 11 * 7cm / 5.71 * 4.33 * 2.76inPackage Size: 15.5 * 12 * 8cm / 6.10 * 4.72 * 3.15inPackage Weight: 350g / 12.35ozPackage List:1 * Fish Tank Automatic FeederPackage List:1 * Fish Tank Automatic Feeder