Key Features:

High-speed Sync TTL Speedlite
GN31 @ ISO100，105mm; YN320EX supports TTL flash and High-speed Sync (HSS). The maximum sync speed is up to 1/8000s.

Wireless transmitter-receiver supports optical triggering and 2.4GHz radio triggering.
This product YN320EX is compatible with S ' optical transmission wireless triggering signal and YONGNUO 602/603 radio triggering signal. A YN320EX can be used as master unit or slave unit. The flexibility of YN320EX makes photography more freewheeling.

Realize 6-group flash control easily
As a radio master unit, YN320EX supports controlling 6 separate groups. It can remotely control the flash mode, flash output, focal length, number of stroboscopic and stroboscopic frequency of YN560Li/YN720/YN685/YN560III/YN560 IV/YN660/YN860Li.

Ultra-fast Charging Recycle System
Adopts two AA batteries power supply design, The recycling time for full output just takes 2s, you won’t miss any splendid moment.

Firmware Upgrade
YN320EX is equipped with a USB port. The latest firmware can be downloaded from the official website of YONGNUO. Upgrade the firmware of YN320EX to keep it in best performance.

Sound Prompt System
When the sound prompt system is enabled, the flash emits different sounds to indicate different working status.

Flash Head Electric Zoom
With the ZOOM button, the flash head can circularly move in the coverage range of 24mm~105mm.

GN31 @ ISO100，105mm

Package Including:

• 1x YN320EX for S
• 1x User Manual
• 1x Protective bag