Opteka FSC-10 E-TTL II Off-Camera Flash Sync Cord for Canon EOS 580EX II, 430EX II, 270EX, MT-24EX, MR-14EX, 320EX & 270EX II Speedlite Flashes (Extra Long 16-foot Cord) Heavy-duty extra long 16-foot (5m) coiled cable Works on Canon EOS, Nikon & Pentax DSLR's Maintains full TTL settings Also mounts to 1/4"-20 threaded studs 1 Year warranty