UPC 733180302441

• YN600EX-RT can be used as on-camera master unit and remote slave unit of Canon's RT system and supports Gr grouping mode
• 2.YN600EX-RT can be used as master unit to trigger another YONGNUO YN600EX-RT or Canon's 600EX-RT and live display the flash groupings of slave unit and recycling information..
• 3.GN60@ISO100,200mm,supports high-speed sync TTL, manual flash, Gr grouping flash, the highest synchronous speed can reach 1/8000s
• 4.YN600EX-RT not only supports YONGNUO, Canon's and Nikon's wireless optical master signal, but also supports S1 and S2 pre flash cancel mode
• 5. YN600EX-RT equipped with the USB interface, supports firmware upgrade, the users can download the upgrade firmware through the Yongnuo official website to upgrade the flash

YN600EX-RT feature: Supports RT System, Fully Compatible with YONGNUO YN-E3-RT, Canon's 600EX-RT/ST-E3-RT Wireless Signal, High Guide Number, Supports High-speed Sync, Supports USB Firmware Upgrade, Supports Wireless Optical Slave function, Support Auto/Manual Zooming , Settings Save Automatically, Supports Custom Settings (Fn, Ultra fast Charging Recycle System, Supports External Power Supply, Equipped with Big Size LCD Display Screen, Standard PC Synchronous Interface , YN-E3-RT Two-way 2.4G radio communication, compatible with ST-3E-RT/600EX-RT, Transmission Range: 100M, Multi YN-E3-RT can share slave flashes, Display group/charge status of slave flashes, High resolution Dot-Matrix LCD, Backlight for LCD/keys, Fast lock mechanism, Built-in AF assist beam emitter, buzzer, Remote shutter release, Linked Shot (Need extra shutter cable for cameras released before 2012), Flash Mode: ETTL/M/Multi/GR 4 flash modes, A/B/C/D/E 5 groups, Supports 1st Curtain, 2nd Curtain (Only in M mode), High speed Sync, Supports ETTL Ratio, Flash Exposure Compensation, Flash Exposure Lock, Flash Exposure, Bracket, Modeling Flash, 9 Custom Functions. Package Including: 2 x YN600EX-RT, 1 x Mini Stand, 1 x YN-E3-RT, 20 x color filters(free gift value $13).