Godox Ving V860II V860II-S + Transmitter X1TS Speedlite Li-ion Battery Flash Fast HSS For Sony A7 A7S A7R A7 II A7R II A7S II A6000 A6300 MI Hotshoe With EACHSHOT Color Filters + EACHSHOT Softbox Campatible Cameras: Sony DSLR Camera(TTL autoflash) Guide No. (1/1 output @ 200mm): 60 (m ISO 100) 190 (feet ISO 100) Power source: 11.1v/2000mAh Li-ion polymer battery Recycle time: &lt; 1.5 seconds. Red LED indicator will light up when the flash is ready Power saving: Power off automatically after approx. 90 seconds of idle operation.(60 minutes if set as slave)