VING TTL Li-ion camera flash V860II guarantees better light shooting experience with built-in Godox 2.4G wireless X system, GN60 high guide number, and 20 to 200 zoom flash coverage. Fully Supports TTL Functions Functions include TTL Autoflash, Manual Flash, 1/8000s High-Speed Sync, Flash Exposure Compensation, Flash Exposure Lock, Second Curtain Sync, Modeling Flash, etc. Built-in Godox 2.4G Wireless X System Optical transmission with even illumination and stable output. Built-in Godox 2.4G wireless X system offers all-in-one functions and 100 meters further transmission distance. Master & Slave Flash V860IIC as master flash to trigger Canon speedlites e.g. 600EX-RT, 580EX II, etc in TTL or Manual mode; as slave flash to receive signals of Canon speedlites e.g. 600EX-RT, 580EX II, etc and wireless commanders of pop-up flash on Canon 7D, 60D, or 600D, etc. Powerful & Convenient Li-ion Battery Max. 1.5s recycle time & 650 full power pops. Forget the heavy burden and messy battery charging and handling. 2000mAh lithium batteries ensure better shooting performance.