Cowboystudio 16 Channel 3 in 1 Combo Wireless Shutter Release for Nikon SLR camera, SB900, SB600 Flash remote trigger for Nikon D90 D700 D300 D200 D3X, Monolight Wireless Trigger One (1) Transmitter, One (1) Receiver One (1) 3.5 mm plug, 6.35 mm adapter One (1) CR2 battery Two (2) AAA batteries One (1) Instruction manual One (1) N1 Release cable