Model mpa2006l -membrane vacuum pump, brush dc motor Rated voltageDc6.0v Dc12.0v Current ¡¨¹350ma¡¨¹200ma Operating voltage range4.5v~6.5v8.5v~13.0v Air flow rate2.0l/min Air pressure¡y90kpa Max vacuum pressure45kpa Life time¡y50000cycles (10s on, 7s off) Noise