PT-04 4 Channel Wireless Radio Flash Trigger set 1 Transmitter + 3 Receivers + 1 Sync Wire Cable for canon nikon Metz Minolta Sigma Pentax Olympus Suitable for Vivitar 285HV, DF-400MZ, DF-340MZ, 2700; Suitable for Sunpak Auto 2000DZ, 622 Pro, 433AF, 433D, 383, 355AFm 344D, 333D Suitable for Olympus FL-50R, FL-50, FL-36R, FL-36; Pentax AF-540 FGZ, AF-360 FGZ, AF-400 FT, AF-240 FT; Sigma EF-530 DG Super, EF-500 DG Super, EF-430; Suitable for Nikon SpeedLight SB-800, SB-28, SB-27, SB-26, SB-25,  SB-24; Suitable for Canon SpeedLite 580EX II, 580EX, 550EX, 540EZ, 520EZ, 430EX, 430EZ, 420EX, 420EZ, 380EX;