Fotodiox Pro PocketWonder Elite 4-in-1 with TTL pass-thru， Radio Wireless Trigger Starter Kit (3C)， fits Canon Pro Cameras (1 TX + 1 RX)， Shutter Release， TTL pass-through<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"> Premium Grade 4-in-1 Multi-Function Radio Trigger for Flash， Strobe and Camera， 2.4GHz Radio Frequency with range up to 300ft </span></li><li><span class="a-list-item"> Allows TTL pass-through on the Transmitter， Sync Speed of 1/250 sec， when in "flash" mode. Wake-up function to wake up majority of flash from "sleep" </span></li><li><span class="a-list-item"> In "camera" mode， remote is able to do AF， remote trigger. Also continuous shooting and "Bulb" by press and hold the trigger bottom for 2 sec， and press again to stop </span></li><li><span class="a-list-item"> Power Switch on both RX and CX to conserve energy and for storage. Expandable with additional Receiver available for purchase </span></li><li><span class="a-list-item"> 24 Month Manufacture Warranty </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51%2BzwueTGJL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51ETOhLPfXL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41tFHylcU3L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41mcwMS6iuL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/518tsqYZSaL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51OKskpzpPL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41IMxas1iNL.jpg" noproxy>