• YN-560IV is 560III upgraded version,a Combination of YN-560 III and YN560-TX all functions.
• Supports Wireless Slave Function, fully supports YN560-TX, RF-603 II RF-602 Wireless Transmitter.
• Supports ultra-fast charging recycle system, External power supply.,it is a manual flash,it can not support ttl function.
• Supports setting save automatically, custom settings ( fn ).It has built-in wireless trigger system, it can be a flash speedlite, but also a flash controller Transmitter.
• Compatible for most cameras like Canon,Nikon cameras by the standard hotshoe.if you your camera