Cowboystudio Multi-Function Wireless Remote Flash Trigger For Canon CANON Rebel, Monolight Strobe Control and Wireless Shutter Function One (1) Transmitter, One (1) Receiver One (1) C1 Shutter Connecting Cable 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