Godox FT-16S Wireless Power Controller Remote Trigger for Godox Ving V850 V860C Speedlite Flash 16-selectable flash groups. Wireless triggering of flashes. 50 meters above the regulation distance, maximum sync speed of 1 /250 sec. Supports two power display mode ( 5.0-10.0 or 1/1-1/128 ). Receiver Mini compact flash powered, no batteries. Large LCD display. Only suitable for Godox Ving V850 V860C camera flash. Single point hot shoe, works with camera systems such as Canon, Nikon, Pentax,