Buy from Amazon.com : http://fave.co/1Ezmo72 <br /><br />Bower RCRC3 3-In-1 Advanced Wireless Remote and Trigger for Canon EOS 7D 5D Mark II 50D 40D<br /><br />Product Description : <br />Works well with studio strobes and speedlites <br />Boasts four channels per receiver for up to 16 unique slots for studio strobes or flashes at one time <br />Use as camera shutter release strobe trigger or control your speedlite off-camera <br />Includes one 23A 12V alkaline battery two 15V AAA batteries remote trigger and cords <br />Compatible with Canon EOS 7D 5D Mark II 50D 40D 30D 1D Mark IV Digital SLR Cameras
