YN600EX-RT II Professional TTL Master Flash Speedlite with 2.4G Wireless, 1/8000s HSS, GN60, Auto/Manual Zooming, Compatible with Camera as 600EX-RT YN6000 EX RT II

Optical and radio transmission integrated, use Master and Slave units at will------ Professional Creative Speedlite YN600EX-RT II. It is directly compatible for 's RT built-in TTL radio flash system, and also compatible for 600EX-RT flash.

Features:
--Realize wireless optical and radio flash control function
In optical transmission and wireless radio transmission flash shooting, YN600EX-RT II can used as master unit to control flash mode, exposure compensation, flash ratio, number of stroboscopic and stroboscopic frequency.
--Compatible for wireless radio RT system
In wireless radio transmission flash shooting, cooperate with YN600EX-RT (II)、Can0n 600EX II-RT/ 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.
--Supports for optical transmission wireless master flash
In optical transmission flash shooting, YN600EX-RT II can be used as master unit to trigger   and Can0n EX series flash (excluding YN585EX), supports 4 channels, realize wireless TTL, manual flash and stroboscopic flash.  
--Supports for and for Nikon optical transmission wireless slave flash
One YN600EX-RT II can respectively receive wireless signal of master unit YN600EX-RT II、YN568EX II、600EX(II)-RT、580EX II、SB-910/ 900/ 800/ 700, for Nikon built-in flash C command and for 7D/60D/600D cameras built-in flash wireless signal, realize wireless TTL, manual flash and stroboscopic flash.
--GN60 @ISO100, 200mm
YN600EX-RT II as professional creative high guide number speedlite, supports TTL、 M、 Multi flash.
--Supports high-speed sync
YN600EX-RT II can realize TTL, manual flash, highest shutter synchronous speed is up to 1/8000s.
--Ultrafast charging recycle system, supports external power supply
It just takes 2 seconds at full output. Even if not use brand new batteries, it just takes 3~4 seconds ultra-fast time to recycle; Besides, you can also use external power supply to meet your higher requirement.
--Support firmware upgrade
YN600EX-RT II equipped with USB interface, supporting firmware upgrade, you can download upgrade firmware through   official website to upgrade flash.
--Support auto and manual zooming
Support auto and manual zooming, flash coverage can be changed between AUTO, 20~200mm.
--Multiple trigger mode supported
YN600EX-RT II can be triggered by camera set-top, PC synchronous trigger, wireless optical/ radio remote trigger.
--Settings save automatically, support custom settings (Fn)
--Equipped with big size LCD display screen, standard PC synchronous interface

Specifications:
Model: YN600EX EX-RT II
Circuit Design: Insulated Gate Bipolar Transistor (IGBT)
Guide No.: 60 (ISO 100, 200mm)
Flash Mode: TTL, M, Multi,GR
Trigger Mode: Set-up, wireless master mode, wireless slave mode, wireless optical master, wireless optical slave (Sc, Sn, , )
Zoom : 20, 24, 28, 35, 50, 70, 80, 105,135, 200mm
Vertical Rotation Angle: -7~90 degrees
Horizontal Rotation Angle: 180 degrees each side
Power Supply: 4* AA size batteries