1Premium semiconductor cooler with super power and long durability. 2Internal fin design has greater contact area with water, which improves cooling performance. 3The large area cooling block has more contact area with air for good cooling dissipation. 4This 15L water cooler can reduce temperature to 8-10 degrees below normal temperature. 5Set the temperature range according to the local ambient temperature, it is not only energy-saving but also conducive to the growth of ornamental fish.Features:1. Premium semiconductor cooler with superpower and long durability.2. Internal fin design has greater contactarea with water, which improves cooling performance.3. The large area cooling block has more contactarea with air for good cooling dissipation.4. This 15L water cooler can reduce temperatureto 8-10 degrees below normal temperature.5. Set the temperature range according tothe local ambient temperature, it is not only energy-saving but also conduciveto the growth of ornamental fish.Specification:Condition:100% brand newPower Supply:DC 12V 6ATotal PowerConsumption: 72WCooling Power:50WSize (L*W*H):Approx. 11.5*10*7.5cm / 4.53*3.94*2.95inWeight: Approx.384g/13.5ozPackagelist:1 *Cooler Note:1. Refrigeration effect depends on the size of the cooling space,ambient temperature, heat insulation, sealability ,etc.2. Please allow slight errordue to manual measurement. Thanks for your understanding.