ITEM NAME:USB 2.0 HUB 4-Port USB High Speed Controller Module For Arduino F8W3 USB 2.0 HUB 4-Port USB High Speed Controller Module For Arduino F8W3 100% Brand New and High Quality. Shape: Same as the picture show Size: 53mm x 45mm Operating Voltage:DC 5V Single Interface Output Current:500mA (max) Colour:purple material:metal Adopt The 2nd Generation USB HUB Controller Can Directly Connect With Computer:no need any external power PC Automatic Recognition Installation:no need driving program Built-In Current Overload Short Circuit Protection Device Support USB2.0:speed can up to 480Mbps System Support for Win95/98/Me/2000/XP.Linux2.4 and Macos8.5 or higher versions Package included:1Pcs x HUB 4 port controller Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm..Single Interface Output Current:500mA (max). Built-In Current Overload Short Circuit Protection Device. Linux2.4 and Macos8.5 or higher versions.