Reliable holiday feeding: automatic fish feeder with a 500 ml container that holds up to 30 servings, providing speciesappropriate nutrition for weeks in a waterproof housing. Consistent feeding logic: airtight dispensing chamber with an antilock mechanism; adjustable portion control ensures regular feeding cycles for both granular and flake foods. Durable, aquariumgrade build: waterproof housing made from foodgrade ABS and ecological PP plastic, offering moisture resistance for fresh and saltwater tanks. Easy to use and maintain: simple refills, low maintenance design, and dependable operation even when you are away. Compatible and versatile: suitable for small to medium tanks; supports granular and flake foods; designed for standard aquarium setups. Practical use scenarios: On extended trips or vacations when daily feeding isn't possible. During long workweeks or irregular schedules to keep a steady feeding rhythm. In homes, offices, or classrooms with multiple tanks needing automated care.