Aputure Pro Coworker Wireless Remote, RF Radio Shutter Release for Canon EOS Digital Rebel T2i, T3, T3i, T4i, T5i, SL1, Powershot G10, G11, G12, G1X, Replaces Canon RS 60-E3
Trigger your camera wirelessly with the Aputure Pro Coworker from Fotodiox.  By simply connecting the cable to your camera, you can control the shutter up to 150 feet away. Signal will even travel through walls!