RainbowImaging 10 Meter / 33 FT TTL E-TTL Off-Camera Shoe Cord for Canon DSLR Flash 580EX II 550EX Canon 430EX II Canon 420EX 380EX Extremely long Off-Camera Shoe Cord, It can be used as far as approximately 10 meters/ 33 feet away from the camera. Super Quality flash E- TTL II Off-Camera Shoe Cord for Canon E-TTL DSLR and Flashes. This cord provides E-TTL II and traditional mode for Sony Speedlites when used off-camera with Canon SLR/DSLR cameras, all automatic functions of the Canon cameras are retained. It is fully compatible with Canon ex/ez series speedlites and EOS cameras, for Canon DSLR EOS 1Ds, EOS 1Ds Mark II III, 10D, 20D, 30D, 40D, 50D, 5D, 7D, Digital Rebel (300D), Rebel XT (350D), Rebel XTi (400D), Rebel XS (1000D) & Rebel XSi (450D) 500D, etc Compatible with Compatible with Canon Flashes 220EX, 300EZ, 380EX, 420EZ, 420EX, 430EZ, 430EX, 430EX II, 480EG, 540EZ, 550EX, 580EX, etc