1.Aluminum case 2.Chipset:CYPRESS AT2 68300 pliant with USB2.0 standard 4.Supports plug-play and hot-plug 5.Transfer rate available for 480MBps,12MBps 6.Adaptor voltage input:100-240V,50-60Hz 7.Adaptor voltage output:DC 12V 8.High reliability,shock and vibration resistance