Capacity and build: 1,500 ml capacity, designed for reliable use in home aquariums. It runs on 3 AA batteries (not included) and is compatible with flakes, pellets, powder, crumbs, and bars. Smart feeding options: 6 automatic feeding speeds plus manual mode. Daily feeding times adjustable 0–6; portion size 0–9. Everyotherday setting available for weekends, holidays, or when you are away. Jam dispensing: spiral rod mechanism delivers smooth, jam portions. The base rotates 360 degrees for easy positioning after installation. Freshness and moisture control: sealed cover and closed food outlet keep remaining food dry and fresh. Suitable for feed particles up to 3 mm. Practical use scenarios: vacation feeding with a scheduled plan to care for fish while away; weekend or holiday routines with everyotherday scheduling; outdoor trips or camping where reliable portion control and timing reduce supervision.