Yongnuo YN-622 7-Channel Wireless E-TTL Flash Transceiver for Canon (2-Pack)<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><li><span class="a-list-item"> System type: Digital FSK 2.4GHz wireless transceiver </span></li><li><span class="a-list-item"> Compatible flash mode: E-TTL (II)/ Manual/ Multi </span></li><li><span class="a-list-item"> Suit for camera Canon 5D Mark III &amp; flash Canon 600EX (RT) </span></li><li><span class="a-list-item"> Sync mode: 1st curtain， 2nd curtain， Hi-speed sync </span></li><li><span class="a-list-item"> Support high-speed continuous shooting trigger </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41Y-FMV1W8L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41wjOwRHRiL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41vBS9QEbUL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51qXzzBPWZL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41GAT2dbDwL.jpg" noproxy>