... 30m New WANSEN PT-04GY Wireless Flash Trigger for canon nikon Pentax Olympus camera Specifications:4 channels ... yearTriggering life: up to 20,000 times Compatible with:Canon SpeedLite 580EX II, 580EX, 550EX, 540EZ, 520EZ, 430EZ ... ,430EX, 430EX II, 420EX, 420EZ, 380EX;Nikon SpeedLite SB900, SB-800, SB-600, SB-28, SB- ... -530 DG Super, EF-500 DG Super, EF-430;Sunpak Auto 2000DZ, 622 Pro, 433AF, 433D, ...