Built for the Canon EOS 5D Mark II, the new WFT-E4 II A not only provides a full array of advanced wireless functions, it's also a dedicated, fully operational camera grip offering seamless, vertical shooting with all buttons and controls optimally placed for intuitive operation no matter the orientation. The WFT-E4 II A offers fast IEEE 802.11 a/b/g connectivity, is perfect for wireless camera linking and syncing, and is compatible with a variety of Wi-Fi Protected Setups (WPS). It has Bluetooth built in and a USB port for connections to external drives and GPS systems. It can even function as a remote Live View shooter. All this, while also enhancing the functions and balance of the EOS 5D Mark II, means no-compromise wireless photography is simple and in the palm of your hand.