Yongnuo YN685 is the latest and greatest flash speedlite for Nikon shooters. The YN685N incorporates the receiver for the YN622 as well as the receiver for the RF-603 / YN560-TX… everything you’ve been waiting for and more. The best and most powerful flash speedlite for Nikon users. Meant to be used both on-camera and off-camera in a combination with YN622N-TX master unit