Pixel WIRELESS Timer Remote Control Shutter for Canon EOS Digital Rebel XT, XTi, XSi,550D, 500D, 450D, 400D, 350D, 1000D, G11, G10 & ELAN SLR Cameras compatible with Canon RS-60E3 Advanced camera shutter release tool which can be used wirelessly or with included cable Operating distance up to 80M; 2.4GHz frequency with 99 selectable channels 2 AAA batteries for receiver included; 1 CR2 battery for transmitter included Self-timer, interval timer, long-exposure timer, and exposure count setting features Handy for taking pictures of subjects that are difficult to approach with minimized vibration