Power, speed, and integrated radio transmission make the Ving V860III TTL Li-Ion Flash Kit from Godox a hard-to-beat option for your camera. Fully compatible with TTL systems, the Ving V860III supports many advanced functions and features. Also, it features the Godox X wireless radio system, which provides both master and slave TTL functionality at a distance. On top of this, the flash is powerful and versatile, featuring a guide number of 60 at ISO 100 and 200mm along with a zoom range of 20-200mm. And this flash runs off a rechargeable lithium-ion battery pack that ensures fast recharge with a capacity of up to 450 full-power flashes.