Adopt brushless DC motor, no spark work. Stable and reliable operation, low power consumption. Submersible and fully waterproof installation. Suitable for fountains, swimming pools, aquariums, aquariums, solar circulation systems, water circulation systems. Dimensions: approx. 8 x 7 x 4 cm / 3.15 x 2.8 x 1.6 inches (LxWxH). material: plastic. Current: 920mA. Power: 19W. Maximum flow: 800L/H. Maximum lifting height: 5 m. Inlet diameter: 16 mm. Outlet diameter: 12 mm. Noise: less than 35 decibels. Fluid temperature: 0-60 degrees Celsius. Stable and reliable operation, low power consumption. Submersible and fully waterproof installation. Low noise. Suitable for fountains, swimming pools, aquariums, fish tanks, solar circulation systems, water circulation systems.