Neewer FC-16 Multi-Channel 2.4GHz 3-IN-1 Wireless Flash/Studio Flash Trigger with Remote Shutter for Canon Rebel T3 XS T4i T3i T2i T1i Xsi EOS 1100D 1000D 700D 650D 600D 60D 550D 500D 450D 100D, EOS 1D Mark IV 1D Mark III 5D Mark III 5D Mark II 50D 40D 30D 20D 7D 6D 5D Wireless Frequency System: 2.4GHz Operating Distance: up to 1meters 16 Selectable Channels Also Compatible with: Pentax K2 K11D Super, K11D, K1D, K2D, K1D, K-7, K-5, Kr, Kx, Mz-6, Mz-L Includes: Wireless Camera Flash Trigger and Camera Remote Control Function (1 Transmitter, 1 Receiver) + C1 camera cable + C3 camera cable + Flash Sync Cable + PC Sync Cord + Sync Adapter