OverviewThe SUNSUN AK‑21 Intelligent Feeder automates fish feeding with programmable 12/24‑hour intervals, manual feeding button, adjustable portion sizes, and a compact 100 ml hopper—perfect for busy hobbyists or vacations.Key FeaturesProgrammable timer: Set feedings every 12 or 24 hours; automatic scheduling simplifies routine care .Manual feed option: “Feed on demand” button allows instant dispensing without altering scheduled intervals .Adjustable portions: Dial lets you control the quantity dispensed—works with flakes and pellets up to 3 mm .Generous hopper: Holds up to 100 g of food—ideal for trips or busy schedules .Flexible mounting: Clamps to glass (1–20 mm thickness) or sits on tank hood; secure and easy to install .Battery-powered: Uses two AA batteries (included), ensuring continuous operation during power outages .SpecificationsModelAK‑21Dimensions140 × 90 × 30 mmHopper Capacity100 ml (≈100 g)Feeding Modes12 h / 24 h / ManualFood TypeFlakes & pellets ≤ 3 mmPower2 × AA batteries (included)MountingGlass edge or lid (1–20 mm thickness)Weight≈ 0.5 kgWhy Choose SunSun AK‑21?Reliable feeding: Keeps fish fed on schedule—even during vacations or busy periods.Flow control: Dial lets you fine-tune portions to prevent overfeeding and waste.Easy setup: Battery-powered and mountable on glass or lids up to 20 mm thick.Broad compatibility: Suitable for a wide range of food types and tank sizes.Usage TipsInstall feeder on the tank edge or lid, ensuring stability.Fill hopper with dry flakes or pellets (≤ 3 mm).Set desired feeding interval (12 h or 24 h).Adjust portion dial to match your stock level.Press manual feed anytime without disrupting schedule.Replace batteries every 3–4 months or when indicator shows low power.
