YONGNUO YN686EX-RT ETTL Speedlite Flash 2.4G Wireless HSS 1/8000s Master Flash Speedlite 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 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