Feature: 1. [Quiet Operation] Our aquarium water chiller runs with low noise of 30 to 35 decibels, providing a serene aquarium experience free from disruptive sounds. 2. [Rapid Cooling] Featuring electronic cooling without the need for refrigerants, this water tank chiller ensures quick temperature reduction to keep your aquarium water refreshing and cool. 3. [Optimal Temperature Maintenance] Summer cooling, winter heating, easy fish keeping with automatic temperature control. The intelligent controller carefully monitors and maintains the ideal temperature for your fish to swim. 4. [User Friendly Design] Easily adjust the temperature between 10 to 40℃ (50 to 104℉) with the touch of a button. The innovative heat dissipation holes on this water chiller enhance efficiency and ensure optimal performance. 5. [Innovate Your Aquarium] This aquarium water chiller provides a cutting edge solution to effectively cool or heat your aquarium water, offering accurate temperature control and superior performance. Specification: Item Type: Aquarium Chiller Material: Alloy Steel Temperature Setting Range: 10-40℃ Applicable Water Flow Rate: 1-3LPM Applicable Water Pipe: 8mm Inner Diameter Water Pipe Applicable Head: Below 300cm Applicable Water Tank: ≤35L Power: 120W. Package List: 1 x Aquarium Chiller1 x Power Cord1 x Power Adapter1 x User Manual Note: 1. If you encounter insufficient pump flow, try placing the water cooler below or parallel to the water tank. Once the water circulation returns to normal, you can put it back in its original position.2. Need to purchase water pumps and pipes by oneself.