The YN685 is not only a master flash which has iTTL and HSS functions but also the perfect slave flash which features an in-built receiver. It’s compatible with both the YONGNUO 622 and 603 wireless systems.

• Inbulit recevier, compatible with YONGNUO 622 and 603 wireless systems
• YN685 supports respectively receiving wireless triggering signal from YN622C, YN622C-TX, YN560IV, YN560-TX, RF605, RF603II and RF603.
• 2.4G wireless speedlite with high guide number of GN60.
• The maximum sync speed of up to 1/8000s.
• Support i-TTL/M/Multi mode.
• Supports auto and manual zooming, and the flash coverage can be changed between 20~200mm.
• Remote control off-camera parameters of each speedlite group: the flash mode/flash intensity/focal length and sync mode (YN622N wireless system only) of the speedlite in each group can be controlled remotely through YN622N transceiver and YN560IV/YN560-TX.
• Ultrafast charging recycle system, the fastest recycling time up to 3s.
• Support sound prompt function, custom setting and auto saving settings.