YN565EX III Wireless TTL Slave Flash Speedlite GN58 High Speed Recycling System Supports USB Firmware Upgrade Replacement for Canon DSLR Camera

Compatible with C and N' s Optical Transportation Wireless Slave Flash, 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., Multiple Trigger Mode Supported: YN565EX III can be triggered by the camera set-top, PC synchronization trigger and wireless optical trigger off the camera; GN58@ISO100, 105mm, support TTL, M, Multi flash., Supports Electric Zooming（24~105mm）: Supports automatic and manual zooming, the focal length can be varied between 24～105mm, Other users-friendly functions & features: Sound Prompt System; AF-assist beam emitter; automatic settings saving; Large-size LCD display and standard 2.5mm PC interface.