Designed not only as a fully-functioning dedicated grip with vertical shutter release for the EOS 7D, the new WFT-E5A is also an IEEE 802.11 a/b/g compatible wireless communication device offering the latest in wireless photography. It's compatible with Wi-Fi Protected Setups (WPS), Wireless File Transfer and Remote Live View with both wired and wireless media servers. It can serve as a Master or as a Slave unit during camera linking. Built-in USB Host compatibility allows for connection to external hard drives, and select GPS units either by USB cable or optional Bluetooth dongle. All this, plus enhanced camera operability make the WFT-E5A the perfect accessory for the EOS 7D.