GN60 TTL Flash Speedlite for Sony Camera, HSS 1/8000S Master Slave Flash Unit, with bulit-in 2.4G Trigger System - YONGNUO YN685EX-RF

• 【High Guide Number, Supports TTL HSS】GN60@ISO100, 200mm. Supports TTL, M, Multi flash, with high-speed synchronization function, all shutters are available for shooting, the maximum shutter synchronization speed is up to 1/8000s. 【Integrated transceiver and receiver, compatible with YONGNUO RF radio trigger system (RF602, RF603)】During radio transmission flashing shooting, it can be used as a master unit or slave unit. It is fully compatible with RF radio triggering signals from YN650EX-RF, YN685EX-RF, YN320EX, YN685(II), YN720, YN560 IV, YN660 and YN560 III, YN560-TX (pro), RF603, RF602 and YN32-TX. It also contains 16 transmission channels and 10000 wireless radio ID, making it easy for multi-flash lighting. 【Supports Multi-group Flashes Independent Control】When YN685EX RF used as a radio master unit, it is able to control 5 independent groups, realizing remote control of flash mode, flash output and focal length for YN650EX-RF, YN685EX-RF, YN320EX, YN685(II), YN720, YN560 IV, YN660 and YN560 III. 【Supports Optical Transmission Wireless Slave Flash】In optical transmission wireless flashing shooting, YN685EX-RF can be set as slave unit to receive optical transmission wireless triggering signals from YN320EX and from Sony flashes such as HVL-F32M, HVL-F60RM, HVL-F60M, performing off-camera TTL mode flashing. 【Super-speed Recycle System. Supports external battery pack】The flash recycle with full output only needs 2s to perform. Even if the battery is not brand new, it only takes 3-4s to perform the fast flash recycle. With the use of external battery pack, higher recycle needs can be met. 【Compatible with Sony MI Hot Shoe Mirrorless cameras】Sony A7RIV A7RIII A7RII A7R A7III A7II A7 A7SII A7S III A7S A6600 A6500 A6400 A6300 A6100 A6000 A58 A99 A99II A77II