Yongnuo YN686 EX-RT Wireless 1/8000s Lithium Speedlite ETTL Flash With Lithium Battery for Canon

Features:

• Super-powerful Portable Lithium Battery System
• Equipped with 2000mAh big-capacity lithium battery,flash firing times is over 750.
• Imported High-quality Lithium Core
• Adopts imported high quality lithium core, with advantages of long service life,high safety.
• Ultra-fast Charging Recycle System
• Recycle time of full output is only 1.5s,you won’t miss any splendid moment. 
• Supports USB Firmware Upgrade
• YN686EX-RT is equipped with USB port. Please visit YONGNUO official website to download the upgrade firmware and update the flash to ensure the best compatibility and performance of the flash.
• Supports Real-time Display of Battery Remaining Capacity
• YN686EX-RT supports real-time display of battery remaining capacity,which helps you 
• Learn the battery status easily.
• Compatible with Canon’s 2.4G Radio Transmission (RT) system
• In shooting with 2.4G radio transmission wireless flash,one YN686EX-RT can be used as master unit to trigger YONGNUO and Canon’s RT series speedlite,and remotely control the flash mode and output level of the slave speedlite;One YN686EX-RT can be used as the slave unit,to receive the radio trigger signal from the RT series speedlite and flash trigger of YONGNUO and Canon,to achieve off-camera TTL、M、Multi functions and Gr grouping flash.
• Supports Canon’s Optical Wireless Master Control Flash
• In shooting with optical transmission wireless flash ,YN686EX-RT can be used as master  unit to trigger YONGNUO EX speedlites (except for YN585EX)and Canon EX series speedlites, and realize wireless TTL/M/MULTI flash.
• Supports Optical Wireless Slave Flash
• Compatible with optical wireless control signal of YONGNUO,Canon and Nikon,supports S1 and S2 preflash cancel trigger mode.
• High Guide Number, High-speed Sync function
• GN60@ISO100，200mm，supports TTL, M, MULTI and Gr flash, the maximum sync shutter speed is up to 1/8000s.
• Supports Lamp Head Electric Zoom Function.
• Supports auto and manual zoom,you can set flash coverage in the range of 20~200mm.
• Supports Auto-save Setting, Custom Functions Setting（Fn）
• Equipped with large dot-matrix LCD screen.

Specification:

• Model: YN686EX-RT
• Guide Number: 60@ISO 100,200mm
• Synchronization Time: 1/8000s
• Detachable Battery: 2000mAh
• Full Flash Input Amount: 750 above
• Recycle Time: 1.5 seconds
• Firmware Upgrade Interface:　USB
• System：2.4G wireless radio transmission system
• Flash Mode: Off-camera TTL, M, Multi functions and Gr grouping flash
• As a Master Unit:To be compatible with YONGNUO and For Canon's RT series speedlite
• As a Slave Unit: To receive the radio trigger signal from the RT series speedlite and flash trigger of YONGNUO and For Canon
• Optical Wireless Transmission Flash:
• Master: To trigger YONGNUO and For Canon EX series Speedlites(except for YN585EX) and For Canon EX series speedlites and realize wireless TTL/M/Multi flash mode
• Slave: To compatible with the optical wireless control signal of YONGNUO, For Canon and For Nikon supporting S1 and S2 pre-flash mode
• Flash Zooming coverage: 20~200mm