Aputure Combo Infrared Remote for Canon - CR3C, fits Canon EOS 5D, 5D Mark II, III, 1D, 1Ds, Mark II, III, IV,1Dx, 1DC, 7D, 50D, 40D, 30D, 20D, 10D Cord and cordless tech combination, detachable remote connection cable, dual cable head fits multi-level canon and nikon cameras Blinking timer light indicates exact exposure Shutter release button is comfortable and sensitive Small and light weight 24 Month Warranty