Feature: 1. Low Noise Running: This chiller has a built in fan that operates at 30‑35dB low noise without affecting your life and work, providing a peaceful and enjoyable environment for hydrophytic pets. 2. Electronic Cooling: This water chiller adopts electronic cooling, with a power of 72W and a pump flow rate of up to 3L/Min, which can quickly reduce the temperature and keep the aquarium water cool. 3. Intelligent Controller: The fish tank chiller adopts intelligent temperature controller, monitoring and keeping the ideal temperature, allowing hydrophytic pets to live in a comfortable environment. 4. Temperature Range: The 10-40°C range can be reduced by 3-5°C from the current water temperature. Simply press a simple button to adjust the temperature to meet different needs and ensure optimal performance. 5. Wide Application: This cooling system is suitable for home and small aquarium, suitable for water tanks, fish tanks, aquaculture tanks, and other water environments, with strong practicality. Specification: Item Type: Water Tank Chiller Temperature Set Range: 10-40 ℃ range can be in the current water temperature based on the lower 3-5 ℃ Suitable Flow Rate: 1-3L/min Applicable Pipe: Approx. 8mm / 0.31in Inner Diameter Suitable Head: Below 3 meter / 9.8ft Suitable Water Tank: ≤20L Power: 72W. Package List: 1 x Water Chiller 1 x Power Cord 1 x Power Adapter 1 x User Manual Note: If there are any shortage of pump flow, please try to place the water cooler or the position of the parallel to the tank at the bottom of the tank. Once the water cycle is back to normal, you can put it back in its original position. (The kit does not include water pump and water pipe)The product can only make 20L and below water reduce 3 to 5℃ on the basis of the current water temperature, you need to put the probe into the water and work continuously for more than 10 hours to have the effect.