Package includes (1) ROOK Transmitter x1, (2) ROOK Receiver x1, (3) AAA alkaline battery x4, (4) 3.5mm to Canon E3 shutter remote cable x1, (5)3.5mm to Canon N3 shutter remote cable x1, (6) 3.5mm to 3.5mm studio flash cable x1, (7) 3.5mm to 6.35mm studio flash cable x1, (8) Receiver holding mount x1, (9) Receiver Hot shoe protection cover x2, (10) English Manual.Compatible to Canon EOS: 1D series, 5D series, 7D, 60D, 50D, 40D. 30D, 20D, 10D,600D,550D, 500D, 450D, 400D, 350D, 1100D, 1000D, Rebel T3i, T3, T2i,T1i,XSi,XS,Xti,Xt, Powershot G10, G11, G12, and Canon Speedlite: 580EX II, 580EX, 430EX II, 430EX, 270EX, 220EX ( other brands for CANON TTL flash)