Yongnuo YN560 IV 3PCS DSLR Flash Speedlite with YN560TX-Canon and Diffuser for Canon DSLR 1.1Yn560 IV is a universal flash speelite for Canon, sony,Nikon,Fujifilm, DSLR cameras. 2.when Yn560 IV combined with YN560-TX can be compatable for Canon cameas ,Supports Wireless Master Function 3.Supports setting save automatically, custom settings ( fn ) 4.Supports Multiple Trigger Synchronous Mode 5.Supports Wireless Slave Function, fully supports YN560-TX, RF-603 II RF-602 Wireless Transmitte