Power, speed, and integrated radio transmission make the Ving V860III TTL Li-Ion Flash Kit from Godox a hard-to-beat option for your Sony cameras. 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 197' 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 480 full-power flashes.For general operation, the Ving V860III features full bounce flash capabilities, including tilting and rotation left and right. As a TTL-compatible unit, this flash offers support for high-speed sync, flash exposure compensation, 1st and 2nd curtain sync, and much more. Additionally, it can function as an optical master or slave unit if needed.Features Built-In X Wireless Radio System Recycling 1.5 sec Full Power Guide Number: 197' at ISO 100 Battery Gives 480 Full-Power Flashes Flash Coverage: 20-200mm Wireless Master/Slave TTL Functionality Specifications Guide Number 196.9' / 60 m at ISO 100 (200 mm Position) Coverage Full-Frame 20 to 200 mm Auto Zoom Head Yes Bounce Head None Swivel Head None Flash Duration 1/300 to 1/20000 Second Recycle Time Approx. 1.5 Seconds Secondary Illumination Modeling Light Exposure Control Sony ADI / P-TTL, Manual Flash Modes Hi-Speed Sync, Second-Curtain Sync Flash Compensation None Wireless Operation None Wireless Channels 32 Wireless Groups 5 Internal Power 1 x Rechargeable External Power Pack Compatible No Mount Shoe Off-Camera Terminal 2.5 mm Dimensions (W x H x D) 7.7 x 3 x 2.3" / 195 x 75 x 59 mm Weight 18.7 oz / 530 g (with Battery) Package Weight 2.18 lb Box Dimensions (LxWxH) 9 x 8 x 4"   What's Included 1 x Godox Ving V860III TTL Li-Ion Flash Kit for Sony Cameras1 x Battery Charger1 x Lithium Battery1 x USB Cable1 x Mini Stand1 x Protective Case