Smart programming: Automatic feeder with 4 daily schedules for precise, hands feeding even when you're away. Ergonomic design and compatibility: Universal adjustable mount fits aquarium glass 515 mm thick. Waterproof interface with a backlit LCD display. Runs on 3 AA batteries (not included) with a low battery indicator. Reliable performance: Moisturewicking tray and an antiblocking system ensure steady food distribution. Adjustable portions for pellets and flakes to match feeding needs and avoid overfeeding. Protective and ecofriendly materials: Made from foodgrade ABS and environmentally friendly PP. Nontoxic with secure seals to protect water quality and support fish health. Practical use scenarios: You travel for work or vacation and need consistent feeding without daily checks. You maintain mixed diets; set portions to prevent waste and protect water quality. It suits a range of tanks with glass thickness from 5 to 15 mm for flexible mounting.