Features： Modeling Light Added a modeling light at the front to aid pre-visualization, and blend with ambient light, with brightness dimmable in 10 levels. Quick Button for Manual and TTL Function Switch Godox V860III has a quick button on the side, able to quickly switch from the manual mode to TTL mode. Better Battery Performance Upgraded a new battery with higher capacity(7.2V/2600mAh) offering 1.5s recycle time and 480 full-power flashes. The battery is also interchangeable with VI, making your potential pack lighter. Quick Release Lock Updated a quick release lock to a quick lever to lock the Speedlight into place on your camera's hot shoe .