The Godox V860IIIO is a professional TTL speedlite flash designed specifically for Olympus and Panasonic cameras. Built around a rechargeable lithium-ion battery, this flash delivers exceptional performance with a fast 1.5-second recycle time and up to 450 full-power flashes per charge. With a guide number of 197 feet at ISO 100 and 105mm, the V860IIIO provides powerful, versatile lighting with a zoom range of 20-200mm, expandable to 14mm with the included pull-out panel. The flash features full TTL autoflash compatibility, high-speed sync up to 1/8000s, flash exposure compensation, and both first and second curtain sync modes. A built-in 2.4GHz wireless X system enables master and slave TTL functionality with a transmission range up to 328 feet, while the quick-lever hot-shoe mount ensures secure attachment and easy release. With bounce flash capabilities including -7 to 90-degree tilt and 180-degree left and right rotation, plus a dimmable LED modelling light for pre-visualisation, the V860IIIO provides the precision and control serious photographers demand.