Mettle AC slave flash is a powerful, self-contained, AC powered, Slaved electronic flash unit which provides one of most convenient efficient means of illuminating a subject to be photographed.
The flash provides flexibility in positioning, ease of use and economy of initial investment and operation, not found in any other professional flash equipment.
Input voltage:AC200-240volt/50Hz or 100-130volt/60Hz
Angle of illumination:55°×40°
Triggering:slave,synch cord,test button
Black color is also available.