Comprehensive autonomous management: retains feeding parameters during power failures, includes a clear food level indicator, and fits aquariums from 20 to 500 liters. Ergonomic design: universal adjustable clamp for glass 5 to 15 mm thick; waterproof interface with a backlit LCD display; powered by 3 AA batteries (not included) with a low battery indicator. Advanced technology: leakproof feed chamber and antilock system to prevent jams, ensuring uninterrupted dispensing of pellets and flakes with precise flow control. Protective and ecofriendly design: made of foodgrade ABS and environmentally friendly PP; nontoxic, provides reliable sealing and maintains fish health; sustainable materials safe for aquatic ecosystems. Practical use scenarios: Vacation or busy days: automatically feeds on a schedule so you don't have to worry about missed meals. Mixed diets: accurately dispense both pellets and flakes as your fish require. Medium to large tanks: compatible with 20–500 L setups, reducing manual refills and ensuring even distribution.