YONGNUO YN568EX III Wireless TTL Slave Flash Speedlite

Features:
Supports N's/ C's optical transmission 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 built-in flash C command flash and built-in wireless signal of Canon 7D/60D/600D cameras. It realizes wireless TTL, manual flash and stroboscopic flash.
GN58@ISO100, 105mm, and supports automatic & manual zooming(24-105mm):
--High guide number TTL speedlite, which supports TTL, M, Multi flash and supports automatic & manual zooming. The focal length can be adjusted between 24-105mm.
Supports high speed sync(HSS) flash and with high speed recycling(2s) system:
--The YN568EX III can realize TTL and manual flash, 1/8000s max. shutter sync speed; and the recycling time for full output just takes 2 seconds.
Supports firmware upgrade:
--The YN568EX III is equipped with USB interface, you can download the latest firmware from YONGNUO official website to upgrade the speedlite.
Equipped with large-size LCD display and 2.5mm PC interface, and supports the battery remaining power real-time display, convenient to use.

Specifications:
Circuit design: Insulated Gate Bipolar Transistor (IGBT)
Guide No.: 58 (ISO 100, 105mm)
Flash mode: TTL, M, Multi
Trigger mode: Set-top, wireless optical slave (Sc, Sn, S1, S2)
Zoom range: 24, 28, 35, 50, 70, 85, 105mm
Vertical rotation angle: -7~90 degrees
Horizontal rotation angle: 180 degrees each side
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. 2s (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), 22 levels of fine tuning in total
External interface: hot shoe, PC port, USB port
Wireless triggering distance: 20~25m indoors, 10~15m outdoors
Additional features: off-camera flash, High speed sync, second-curtain sync, FEC, FEB, FEV, electric zoom of flash head, sound prompt, auto-save setting, power saving mode, overheating protection, custom function
Item Size: 6.2 * 6 * 18cm/ 2.4 * 2.4 * 7.1in (Extended state)
Item weight: 380g/ 13.4oz
Package size: 21 * 9.5 * 8cm / 8.3 * 3.7 * 3.1in
Package weight: 555g / 1.2lbs

Package list:
1 * Speedlite
1 * Mini Stand
1 * Protecting Bag
1 * User Manual(English & Chinese)