YONGNUO YN600EX-RT II Wireless Flash Speedlite with Optical Master and TTL HSS for Canon

Amazon.com Price: $89.99 (as of 04/06/2020 11:47 PST- Details) & FREE Shipping.

Supports optical transmission and wireless radio transmission flash shooting, the YN600EX-RT II can used as master unit to control the flash mode, exposure compensation, flash ratio, number of stroboscopic and stroboscopic frequency.
Supports wireless radio transmission flash shooting, cooperate with the YN600EX-RT(II),Canon 600EX-RT(II)/430EXIII,one YN600EX-RT II can used as set-top master unit or remote slave unit,totally 15 channels for option, realize TTL, manual flash and stroboscopic flash.
In the optical transmission flash shooting, the YN600EX-RT II can be used as master unit to trigger the YONGNUO and Canon EX series flash (excluding the YN585EX),supports 4 channels, realize wireless TTL, manual flash and stroboscopic flash.