Yongnuo YN600EX-RT II Professional Creative TTL Master Flash Speedlite 2.4G Wireless 18000s HSS GN60 Support Auto/ Manual Zooming as 600EX-RT YN6000 EX RT II

--Realize wireless optical and flash control function In optical transmission and wireless transmission flash , the YN600EX-RT II can used as master unit to control the flash mode, exposure compensation, flash ratio, number of stroboscopic and stroboscopic frequency. -- wireless RT system In wireless transmission flash , cooperate with the YN600EX-RT (II)、Can0n 600EX II-RT/ 430EXIII, one YN600EX-RT II can used as set- master unit or remote slave unit, totally 15 c