... .9V,12V,; Power:1.2W, Vacuum:30kpa;; Weight:36G 3v dc micro air pump item sizemm VoltageDC/V Power W Pressurekpa ... -850046*18*323V,6V,9V,12V21101.650 36 * Features Brush DC motor,adjustable speed and flow, low heat, to use special ... . 4.non-professional person should not open this product. brush 3v micro air pump dc,1.2W 3v micro air pumpdc