ØSupports Firmware Upgrade
The YN565EX III is equipped with the USB interface, you can download the latest firmware from YONGNUO official website to upgrade the speedlite.
ØHigh Speed Recycling System
The recycling time for full output just takes 2 seconds; you can get high speed current-return experience even without using brand new batteries, which will only takes 3-4 seconds.
ØSupport the Battery Remaining Power Real-time Display
The YN565EX III is equipped with the battery electric power display function, allows you to check the battery remaining capacity easily.
ØCompatible With C and N’s Optical Transportation Wireless Slave Flash
One YN565EX III can respectively accept the master unit of YN600EX-RT II、YN568EX II、YN568EX III、600EX(II)-RT、580EX II、SB910/900/800/700,Nikon internal flash and Canon commander and wireless signal of 7D/60D/600D,realizes external TTL and manual flash and stroboscopic flash.
ØTTL Flash with High Guide Number
GN58@ISO100，105mm, support TTL, M, Multi flash. .
ØSound Prompt System
When the sound prompt system is enabled，different sound modes will prompt different working conditions of the speedlite so as to allow you to focus on shooting process.
ØEquipped with the AF-assist Beam Emitter
The YN565EX III is equipped with the AF-assist beam emitter, allows you to focus easily in dark environment.
ØSupports Electric Zooming（24~105mm）
Supports automatic and manual zooming, the focal length can be varied between 24～105mm.
ØMultiple Trigger Mode Supported
YN565EX III can be triggered by the camera set-top, PC synchronization trigger and wireless optical trigger off the camera.
ØAutomatic Settings Saving,supports custom settings (Fn)
ØEquipped with Large-size LCD display and standard 2.5mm PC interface
Driver & Software:
for Windows http://yongnuoebay.com/gw/YNFlash-Updater-Install_V1.34.zip
for Mac http://yongnuoebay.com/gw/YnFMToolForMacOS.zip