... 1.0=1/32,2.0=1/16,3.0=1/8,4.0=1/4,5.0=1/2,6.0=1/ ... 1Modeling lamp150-250wColor temperature5400k-5600kFlash Duration1/500s-1/1500sFlash triggering methodPhotocell/test Button/Remote ... 6-stop aperature,1/10 energy variable.Accureate output±0.08F,correct color temperature,stable output.5V lower-voltage ... and oter accessories. Market: Digital studio flashlight with remote controller