AMG88 water chiller adopts high-quality semiconductor cooling technology (TEC, Thermo Electric Cooler) with large cooling capacity, heat pipes and aluminum cold forged blades for air-cooled radiators, effectively ensuring low cooling and cooling efficiency to achieve the best cooling effect. The heat radiator end has built-in silent fan, dual sided exhaust, and heat pipes technology. AMG88's cooling rate for 5 Gallon water is approximately 1.1 ℃/hour (2 ℉/hour) depended on environmental temperature and heat load. AMG88 has no temperature control. This water chiller is suitable for safe use in freshwater and slightly salty seawater environments. It create a healthy and comfortable environment for fish, axolotl, shrimp, jellyfish, coral reefs in the hot summer. AMG88 can also be used as a small hydroponic water chiller. Technology: Semiconductor thermo electric cooling(TEC) Cooling water volume: ≤5 Gallon /18.9L Cooling effect: Cool down by 2.0℉/hour or 1.1℃/hour for 5 Gallon fresh water Water pump Flow: 200-300L/H Water Pipe: Inside diameter 8mm Voltage: DC 12V; Rated current: 7A Power Consumption: 84W Heat dissipation method: heat pipes and air cooling Noise of cooling fan: 58dB Product Dimensions: 107 * 125*166mm/4.21* 4.92*6.54 inch Material: Aluminum alloy and resin Weight: Approx. 569g without charger PACKAGE INCLUDED: 1.AMG88 water chiller. 2.250L/H Water pump. 3.Inside diameter 8mm Water pipe. 4.DC 12V/7A Power adapter. 5.User Manual. Please make sure the water volume is less than 5 Gallon /18.9L especially in hot summer for better cooling effect. If the indoor temperature is too high, the recommended water volume is less than 5 Gallon /18.9L, the cooling effect will be greatly affected by the ambient temperature.