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 + Red Material: Plastic Screen: Digital Display Time Setting: 4 Groups Feeding Amount (Circles): Settable Feeding Mode: Manual/ Automatic Granary Capacity: 200ml Clamping Thickness: less than 24mm Power Supply: 2 * 1.5V AA Battery (NOT included) Item Size: 14.5 * 11 * 7cm / 5.71 * 4.33 * 2.76in Package Size: 15.5 * 12 * 8cm / 6.10 * 4.72 * 3.15in Package Weight: 350g / 12.35oz Package List: 1 * Fish Tank Automatic Feeder