The canon rc 6 is a wireless infrared remote control designed for the canon eos 450d 500d 550d 600d 60d 7d 5d mark ii 5d mark iii and 6d dslrs the remote allows you to operate your cameras shutter release from up to 5m away with the choice of immediate release or a 2 second delay due to it running off an ir signal you have to be in front of the camera receiver for it to work the rc 6 can be used in bulb mode which is ideal if you like to capture long exposures compact and extreme