Specifications: Rated voltage: DC 12V Rated power: 65W Maximum pressure: Max. 0.8MPA Maximum flow rate: 5 l Pump diameter: approx. 4.8cm to 1.89'' Length: approx. 14.5 cm to 5.7'' Output tube size (Dia. *L): Approx. 11 mm and 140 cm Inlet tube diameter: approx. 8mm 0026 amp; 6 mm 0.31 "and 0.24" Inlet tube length: approx. 100cm39,37 ''.