Specifications: Sizes and weight:51x34x42.7; 50g Driving method:Brushless, Permanent Magnetic , 2 phase Pump material:ABS Condition of use: Continuously Fluids: Water, oil, gasoline, acid and alkali solution Max working temp: 60 Celsius Power consumption: 4.2W Rated voltage: 12V DC Voltage used: 12V dc Max rated current: 350mA Max flow rate: 4L/MIN(1.06G/MIN) Max Static Head: 3m(9.7ft) Noise: <40dB(most 35dB) Water proof class: IP68(can be submersible installed) Life span: More than 30000hrs Power supply: Solar panel; DC electric source; battery Package included: 1 x 12V DC water pump