Jenis J-C50D-D-I Dual-Channel IR Wireless Controller for Canon 50D/40D/30D/20D (Black)<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"> 2 infrared frequency channel， user selectable </span></li><li><span class="a-list-item"> Trigger shutter release and delayed shutter release </span></li><li><span class="a-list-item"> Single or continuous shooting </span></li><li><span class="a-list-item"> Control camera from 25ft away </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41cz5ZMSXqL.jpg" noproxy>