Model Number: YN600EX-RT Brand Name: YongNuo Key Specifications/Special Features: Supports RT system:One YN600EX-RT can be used as on-camera master unit and remote slave unit of Canon’s RT system and supports Gr grouping modeFully compatible with YONGNUO YN-E3-RT, Canon’s 600EX-RT/ST-E3-RT wireless signal:One YN600EX-RT can be used as master unit to trigger YONGNUO YN600EX-RT, Canon’s 600EX-RT and live display the flash groupings of slave unit and recycling information

One YN600EX-RT can respectively receive the wireless signal of master unit YN600EX-RT, YN-E3-RT, Canon’s 600EX-RT/ST-E3-RT, realizing remote TTL, M and Gr flash

High guide number, supports high-speed sync:

• GN60@ISO10, 200mm
• Supports high-speed sync TTL, manual flash, Gr grouping flash, the highest synchronous speed can reach 1/8000s

Supports USB firmware upgrade:

• The 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

Supports wireless optical slave function:

• The YN600EX-RT supports YONGNUO, Canon’s and Nikon’s wireless optical master signal, supports S1 and S2 pre flash cancel mode

Supports auto/manual zooming:

• The YN600EX-RT supports auto and manual zooming, the flash coverage can be changed between AUTO, 20-200mm

Settings save automatically, supports custom settings (Fn):

• The parameters on the flash will automatically save when the flash turned off; the users can customize setting the flash function as needed

Ultrafast charging recycle system, supports external power supply

Equipped with big size LCD display screen, standard PC synchronous interface