NeewerLI-ION BATTERY TT860MASTER I-TTL Camera Flash Speedlite Kit for Nikon D4 D4S D3X D810 D800E D800 D610 D600 D7100 D7000 D5300 D5200 D5100 D3200 D3100 D90 D80 and other Nikon Digital SLR Cameras Powerful Flash with High Guide No.58(ISO 100, 105mm). High-speed sync up to 1/8000th of a second. Ultra-fast 1.5 second recycle time. Support HHS, FEC,FEB, FV Lock, Front & Rear Curtain Sync, Modeling Flash, Control with Camera's Menu Screen, etc. Professional Lithium battery ultra-high capacity batteries- 2000mAh each : Faster, Longer and More Portable. Kit Includes: (1)Neewer TT860 i-TTL Flash + (2) LI-ION Batteries + (1)AC Charger + (1)Mini Stand + (1)Deluxe Flash Case