Description About this item FAST COOLING: This fish tank cooler is electronically temperature controlled, allowing circulation pump flow rates of up to 3 litres per minute. The built-in fan for fast cooling can greatly improve the cooling efficiency and prolong the service life of the machine. PRECISE CONTROL: The fish and shrimp aquarium cooler is equipped with an intelligent controller. The microcomputer precisely monitors the water temperature to keep it constant. The temperature control range is 10-40°C. You can press a button to raise or lower the temperature to reach the environment that the fish is adapted to, which is very simple and fast. HIGH COOLING CAPACITY: The home aquarium chiller has a compact design that measures only 4.41×4.41×7.56 inches and weighs 4.19 pounds, which is light and takes up very little space. But its cooling capacity is up to 30L/7.93 gallons, so you can use it for aquaculture with confidence. LOW NOISE: The axolotl tank fan is made of plastic material, the aquarium chiller has a built-in fan, and the running sound is only 35-45dB. Low noise chiller, let you have a comfortable and good using environment. DIGITAL TEMPERATURE DISPLAY: 100W digital aquarium cooling chiller LED display, convenient for you to monitor and adjust the temperature more intuitively. The inlet and outlet can be circulated for cooling after inserting pipes.