• Build-in 2.4G Wireless X System] Optic transmission with even illumination and stable output. Build-in 2.4G wireless transmission offers all-in-one functions and 100 meters further transmission distance.

• [Support TTL Functions] TTL autoflash, Manual Flash, 1/8000s High-speed sync, Flash Exposure Compensation, Flash Exposure Lock, Second Curtain Sync, Modeling flash, etc.

• [Powerful Li-ion Battery] 7.2v/2600mAh lithium batteries ensure better shooting performance.Max. 1.5s recycle time & 480 full power pops.

• [Better Performance]Compatible with Canon EOS cameras and is compatible with E-TTL II autoflash.76Ws high guide number, and 28-105 zoom flash coverage.

• [Excellent light effects] Distributing even light from center to edge, providing natural and beautiful light effect V1 Round flash head's light effect is softer and more even.【Noted:】Please let us know if there is a problem with the hot shoe mount in the 12-month warranty