Bower SFD885C Digital Dedicated E-TTL Twin Flash for Canon EOS 7D, 5D, 60D, 50D, Rebel T3, T3i, T2i, T1i, XS Digital SLR Cameras Standard, Macro, Portrait and Group firing modes for solid environmental adaptability Guide Number: 99 feet Bounce and swivel zoom head allows versatile reflection for difficult lighting conditions Creates natural background lighting with twin flash firing Compatible with all Canon EOS models including: 1D/1Ds, 5D, 7D, 50D, 60D, T1i, T2i, T3/3i, XSi, XS, XT/Ti, 300D, 400D, 450D, 1000D