Neewer E-TLL Master/Slave Camera Flash for CANON ~Master Wireless Control~High Speed Sync Speedlite EOS 5D Mark III II 2 3 1Ds 6D 7D 60D 50D 40D 30D 300D 100D 350D 400D 450D 500D 550D 600D 650D 700D 1000D 1100D/EOS Digital Rebel, SL1, XT, Xti, Xsi, T1i, T2i, T3i, T4i, T5i, XS, T3 SLR Cameras NW982C-II