The Godox V860IIO Ving Camera Flash is designed to work with Olympus and Panasonic cameras. It utilizes a 32-channel radio transmission for facilitating wireless triggering from a maximum distance of 100 m. The flash offers a guide number of 60 m at ISO 100. This Godox flash covers an area of 14mm to 200mm with full frame cameras. The recycle time of the strobe unit takes 0.1 to 1.5 seconds to fire the next flash. As for the flash duration, it can be adjusted from 1/300 to 1/20000th of a second. The flash has an AF assist beam that works with the camera's autofocus function to provide a working range of 2 to 32.8 feet. The Godox V860IIO Ving can fire up to 650 full-power flashes on a fully-charged 2000mAh Li-ion polymer battery. Along with the flash unit, you get a mini stand and a pouch.