The 16GB Eye-Fi Pro X2 offers class 10 read and write speeds enhanced by wireless capabilities. Wirelessly upload photos (JPEG, RAW) and videos directly to your computer and favorite sharing site. Transfer via router or ad hoc. Features Wi-Fi static WEP 64/128, WPA-PSK, WPA2-PSK security and a wireless range of 90 or more feet outdoors and 45 or more feet indoors. Requirements include: Computer with Windows XP SP3/Vista/7, Mac OS X Intel 10.5 or later, 100 MB of free space, wireless router 802.11b/g/n 2.4Ghz, digital camera accepting SDHC memory cards and Eye-Fi App for iOS and Android.