Features Long life, low noise,this brushless water pump is eco-friendly and energy-saving. Operate inside/outside the cold or hot water. For indoor and outdoor use, sustain heave duty work for 24 hours. Life expectancy is over 20000 hours at normal condition. The water pump can widely used for aquarium, fountain, small fish pond, solar system, radiators, water circulation system, medical equipment, etc. Features: 1.Long life, low noise, eco-friendly and energy-saving. 2.Operate inside/outside the cold or hot water. 3.For indoor and outdoor use, sustain heave duty work for 24 hours. 4.Life expectancy is over 20000 hours at normal condition. 5.Widely used for aquarium, fountain, small fish pond, solar system, radiators, water circulation system, medical equipment, etc. Specifications: Max. Input Voltage: 12V DC Max. Input Current: 500mA Max. Power: 6W Fluid Temperature: 32~149℉(0~65℃) Flow: 2L/min Wire Length: About 50cm/19.7in Wiring: Red(+); Black(-) Noise: ≤35dba Fluid: Water Inlet Diameter: About 9.8mm/0.4in Outlet Diameter: About 6.8mm/0.3in Weight: 64g(approx.) Package Includes: 1 x Water Pump Precautions: Do not work without water. Note: Please allow small size error due to manual measurement. Thanks for your understanding. Package List 1 x Water Pump (Internal Accessories Color Random)