Features Long service life, low noise, environmentally friendly and energy-saving. Operation inside/outside the cold or hot water. For indoor and outdoor use, endure heavy work for 24 hours. Life expectancy is over 20,000 hours under normal conditions. Widely used for aquarium, fountain, small fish pond, solar system, radiator, water circulation system, medical equipment, etc. Features: Long service life, low noise, environmentally friendly and energy-saving. Operation inside/outside the cold or hot water. For indoor and outdoor use, endure heavy work for 24 hours. Life expectancy is over 20,000 hours under normal conditions. Widely used for aquarium, fountain, small fish pond, solar system, radiator, water circulation system, medical equipment, etc. Specifications: Max. input voltage: 12V DC Max. input current: 500mA Max power: 6W Liquid Temperature: 32~149℉(0~65℃) Flow rate: 2 l/min Cable length: approx. 50 cm Wiring: Red(+); Black(-) Noise: ≤35dba Liquid: water Inlet Diameter: Approx. 9.8mm Outlet Diameter: Approx. 6.8mm Weight: about 64g Package includes: 1 x water pump Note: Please allow small error in size due to manual measurement. Thanks for your understanding. Package List 1 x Water Pump (Internal Accessories Color Random)