Functions:

1.Completely Compatible with YONGNUO 622C and 603 Wireless System
YN685 supports respectively receiving wireless triggering signal from YN622C, YN622C-TX, YN560IV, YN560-TX, RF605, RF603II and RF603.
2.Remote Control Off-camera Parameters of Each Group
The flash mode, flash intensity, focal length and sync mode (YN622C wireless system only) of the speedlite in each group can be controlled remotely through YN622C transceiver and YN560IV/YN560-TX.
3.GN60@ISO100,200mm
YN685 is a 2.4G wireless speedlite of high guide number, which supports TTL, M and Multi mode.
4.High Speed Sync (HSS)
When HSS function is activated, this speedlite YN685 can be used with every shutter speed and the maximum sync speed is up to 1/8000s. Note: The camera and transceiver should support HSS function 。
5.Ultrafast Charging Recycle System, supporting External Power Supply
The recycling time is 3 seconds when the power output is set to maximum. The recycling time is about 4~5 seconds even this speedlite is used without using fresh batteries. In addition, you can use the external power supply to meet your higher charging recycle need.
6.Supports Auto/Manual Zooming
YN685 supports auto and manual zooming, and the flash coverage can be changed between 20~200mm.
7.Supports Sound Prompt Function, Custom Settings (Fn.) and Auto Save Settings
8.Equipped with Big Size LCD Display Screen, standard PC Synchronous Interface