PROGRAMMABLE- The AquaChef’s timer allows you to set up to four automatic feedings per day. You can program it to feed at any hour of the day or night and have it deliver either a single or double feeding. LARGE FOOD CAPACITY- With a capacity of 35 grams, its large size holds enough food to keep your fish fat while you’re away. Hatch style feed door is completely adjustable, allowing you to decide how much food is dispensed at each meal. EASY INSTALLATION- Fully adjustable clamp allows the feeder to mount on almost any style aquarium. UNIVERSAL FIT- SLEEK MODERN DESIGN- The sleek contour shape and black matted texture gives a new meaning to the word style.