Remote Shutter Release Set (RC-300 + RS-60E3) for Canon EOS Digital Rebel 300D / 500D / 350D / 400D / 1000D / 450D / 550D It adds greater convenience and ease in many shooting situations Easily plug this remote switch into your camera and turn your camera on The release button reacts fast and fine. Lock the button for long exposures or continuous shooting. 100% Brand New. Never used. It comes with 3 Months Warranty by Seller.