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 *CoolerNote: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.