Buy on Amazon.com : http://www.amazon.com/gp/product/B004ESS4NE?tag=lottalatte-20 <br /> <br />CoolGear? Industrial 12-Port USB 2.0 Powered Hub for DIN-RAIL Mount w/ Power Supply <br /> <br />Storage Temp -20C to 85C -4 to 185 F <br />12 USB 20 Ports <br />Full 500mA power to each port <br />Din-Rail mountable optional bracket required <br />Variable Power input 7-24VDC
