Cowboystudio 3-in-1 Wireless Remote Control for Canon, Monolight Remote Control and Wireless Shutter Control One (1) Transmitter, One (1) Receiver One (1) C3 shutter connecting Cbale One (1) Camera Sync Plug to Flash PC Sync Cable One (1) 6.35mm Cable Connecting Cable, One (1) 3.5 mm convert Adapter Four (4) AA battery, One (1) Instruction