Features:

Compatible With Canon and Nikon Optical Transportation Wireless Slave Flash 

One YN568EX III can respectively accept the master unit of YN600EX-RT II、YN568EX II、YN568EX III、600EX(II)-RT、580EX II、SB-910/900/800/700,Nikon internal flash and Canon commander and  wireless signal of 7D/60D/600D,realizes external TTL and manual flash and stroboscopic flash.

Supports High-speed Sync

The YN568EX III can synchronize with all shutter speeds, realize TTL and manual flash, the maximum shutter sync is up to 1/8000.

TTL Flash with High Guide Number

GN58@ISO100，105mm, support TTL, M, Multi flash. . 

Supports Firmware Upgrade

The YN568EX III is equipped with the USB interface, you can download the latest firmware from YONGNUO official website to upgrade the speedlite.

Support the Battery Remaining Power Real-time Display

The YN568EX III is equipped with the battery electric power display function, allows you to check the battery remaining capacity easily.

High 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.

Sound 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.

Equipped with the AF-assist Beam Emitter

The YN568EX III is equipped with the AF-assist beam emitter, allows you to focus easily in dark environment.

Supports Electric Zooming（24~105mm） 

Supports automatic and manual zooming, the focal length can be varied between 24～105mm.

Multiple Trigger Mode Supported 

YN568EX III can be triggered by the camera set-top, PC synchronization trigger and wireless optical trigger off the camera.

Automatic Settings Saving,supports custom settings (Fn)

Equipped with Large-size LCD display and standard 2.5mm PC interface

Specifications:

Circuit design: Insulated Gate Bipolar Transistor (IGBT)
Guide No.: 58 (ISO 100, 105mm)
Flash mode: TTL, M, Multi
Trigger mode: On-camera, Sc, Sn, S1, S2
Zoom range: 24, 28, 35, 50, 70, 80, 105mm
Vertical rotation angle: -7~90 degrees
Horizontal rotation angle: 0~270 degrees
Power supply: 4 * AA batteries(not included; Alkaline or NI-MH are usable)
Lighting times: 100~1500 times (with AA alkaline battery)
Recycle time: Approx. 3s (with new AA alkaline battery)
Color temperature: 5600k
Flash time: 1/200s~1/20000s
Flash control: 8 levels of output control (1/128~1/1), 29 levels of fine tuning in total
External interface: hot shoe, PC port
Wireless triggering distance: 20~25m indoors, 10~15m outdoors
Additional features: Master flash, High speed sync, Rear-curtain sync, FEC, FEB, FE lock, electric zoom of flash head, sound prompt, auto-save setting, PC sync, USB port, power saving mode, overheating protection, advanced options setting.
Item Size: 6.2 * 7.2 * 18.8cm/ 2.4 * 2.8 * 7.4in (Extended state)
Item weight: 350g

Package list:

1 x Speedlite
1 x Mini Stand
1 x Protecting Bag
1 x User Manual (English & Chinese)

NOTE: not included batteries.