Feature: 1. [Fast Cooling] This aquarium chiller utilizes R134A refrigerant, with faster circulating cooling speed without pollution, ensuring optimal temperature control. 2. [Quiet Operation] Built in quiet fan, this water chiller operates at less than 40dB, providing a tranquil environment. The porous design enhances heat dissipation efficiency. 3. [Easy Temp Adjustment] With a simple button press, you can easily adjust the temperature within the range of 10 to 50?? (50 to 122?H). Whether for freshwater or saltwater, this water chiller meets cooling needs effectively. 4. [Pure Copper Evaporator] The internal pure copper evaporator ensures erosion resistance and maximizes heat exchange efficiency, guaranteeing reliable performance. 5. [Versatile Applications] Suitable for all types of hydrobiont, including fish, shrimp, and coral feeding, this water chiller is also ideal for hydroponic systems that require temperature regulation. Specification: Item Type: Aquarium Chiller Material: Alloy Steel Horsepower: 1/4HP Cooling Water Capacity: ??16 Gal (60L) Temperature Setting Range: 10-50?? Applicable Water Pipe: 8mm Inner Diameter Water Pipe Suitable Water Flow: 1-3LPM Suitable Head: Below 300cm. Package List: 1 x Aquarium Chiller 1 x Power Cord 1 x User Manual Note: 1. Handle with care during transportation, installation, and maintenance. 2. Keep a distance of at least 10cm between the machine and surrounding space to allow for air circulation and heat dissipation. 3. Need to purchase water pump and hose by oneself.