Fully dedicated for the Canon EOS Digital Rebel XT, XTi, XS, XSi, T1i, T2i, T3, T3i, 60D, 300D, 350D, 400D, 450D, 500D, 550D, 600D, 1000D & 1100D (also works on select Pentax DSLR"s) * Wireless Shutter Release Mode (Fig 1-A) remotely triggers your camera shutter from up to 650" away. Expandable up to four cameras with the purchase of additional receivers * Wireless Flash Trigger Mode (Fig 2-A) remotely triggers an external flash. Can trigger up to four flashes simultaneously with the purchase of additional receivers * Wireless Studio Light Trigger Mode (Fig 3-A) remotely triggers an studio light. Can trigger up to four studio lights simultaneously with the purchase of additional receivers * 1 Year Warranty