Elegant and stylish design; Easy installation; Reduce temperature from lighting heat; Reduce protein float on the water surface; Reduce temperature up to 2~4'C (higher room temperature could lower the reduction of the temperature); Rated voltage: DC 12V; Rated current: 0.43A; Max. air flow: 13.6CFM; Operating temperature: -10~60'C; Suitable for plant tank, marine tank and shrimp tank