YONGNUO YN560IV Wireless Speedlite +YN560-TX Wireless Flash Controller +20 Color Filter for Nikon DSLR Cameras YN560IV wireless flash provide remote manual power control and zoom setting . YONGNUO YN560IV compatible for YN560TX,RF602,RF603,RF605 flash trigger,they can fire YN560IV when it is asleep YN560IV it is a manual flash designed for all cameras with standard hotshoe yn560iv can be a Master flash to trigger another YN560IV and YN560 III, and can be a Slave flash triggered by another flash YN560 IV, or by flash trigger 560TX, RF605, RF603 or RF602. YN560TX has two versions,this is nikon version,please make sure your camera is nikon before purchase.