Feature: 1. Quiet Operation: Aquarium cooler for fish tank features a built in fan that operates at a quiet 30 to 35 decibels, providing a serene aquatic environment similar to a library. Enjoy peace and tranquility for you and your underwater pets. 2. Fast Cooling: With an electronic cooling system and a pump flow rate of up to 3L/min, this fish tank chiller rapidly reduces temperature, keeping the aquarium water fresh and cool for your fish. 3. Optimum Temperature Maintenance: Whether for cooling in summer or heating in winter, this versatile fish tank chiller automatically maintains a constant temperature for your fish to swim comfortably. The intelligent controller monitors and ensures the ideal temperature. 4. Innovative Design: Easily adjust the temperature between 10 to 40℃ (50 to 104℉) with the touch of a button. The cooler's enhanced heat dissipation holes significantly improve efficiency for optimal performance. 5. Friendly Reminder: In case of insufficient pump flow, try placing the chiller below or parallel to the aquarium. Once water circulation returns to normal, you can return it to its original position. Specification: Item Type: Aquarium Chiller Water Cooling System Material: Alloy Steel Temperature Setting Range: 10 to 40 ℃ Suitable Water Flow Rate: 1 to 3L/min Applicable Water Pipes: Water pipes with an inner diameter of Approx. 8mm / 0.31in Suitable Lift: Below Approx. 3 meters / 9.8ft Applicable Water Tank: ≤ 35L Power: 120W . Package List: 1 x Water Chiller 1 x Power Cord 1 x Power Adapter 1 x Water Hose 1 x Water Pump 1 x Manual Note: 1. Please handle with care during transportation, installation, maintenance, etc.2. Keep a distance of at least 10cm between the machine and the surrounding space to facilitate airflow and heat dissipation.