Model No. PW-112A Specification Comply with USB 1.1 and USB 2.0 USB ports: B TYPE x2 A TYPE x1 Dimension 22mm (W) x 110mm (H) x 80mm (D) Weight 105g 115g This USB switch box connects Two computers to one USB device. It switches from one computer to another by push button in front. Vertical design requires very little desk space. To share a usb pheripheral like a usb camera, printer, keyboard, mouse, scanner, or modem. You will need one USB A-B cable from each computer\'s usb port to the switch box. And another A-B cable from your device to the switch. If you need to connect two or more devices to one computer you will need a USB Hub. Comes with stand.