PRO SERIES Equivalent CANON RS-80N3 Wireless Remote & Shutter Release for EOS 10D / 1D Mark II , III , IV / 20D , 20Da / 7D / 1V / 3 / 30D / 40D / 50D / 5D Mark III / 6D / 7D / D30 / D60 / EOS-1D & More Canon Digital Cameras!