The Nissin D1866 Mark II Flash provides Canon users with a quiet, highly sensitive, and professional flash that will be durable enough to last through shoots of all kinds. The features of the D1866 Mark II Flash include color and auto rotate displays, sub-flash, auto-zoom, rear curtain sync, and a tilt head. The flash modes available on the Nissin D1866 Mark II include TTL, Manual/AV, and Multi-flash. The easy to load battery magazine holds four AA batteries which make the batteries easy to change even in low light conditions.