YONGNUO YN-622C-TX E-TTL Wireless Flash Controller for Canon<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> The distance is 100m with 7 channels and the Max Sync Speed reaches 1/8000S. </span></li><li><span class="a-list-item"> Can support TTL Ratio， USB Firmware Upgrade， AF Assist Beam Emitter. </span></li><li><span class="a-list-item"> It has 3Groups (A/B/C) and Sync mode: 1st-curtain， 2nd-curtain， High-Speed Sync(HSS) </span></li><li><span class="a-list-item"> Flash mode: GR(E-TTL(II)， manual， Super Sync)/E-TTL(II)/Multi flash </span></li><li><span class="a-list-item"> Weight 82g and shutter release interface is 2.5MM Shutter release interface </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51qAq4HGjWL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41MeKHsoCdL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41XjY3daC-L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41Wt%2BrLEXdL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41mdGsQx7vL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41JFSgDb8AL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41jJ0G-UoRL.jpg" noproxy>