... =1/8,4.0=1/4,5.0=1/2,6.0=1/1Modeling lamp150-250wColor temperature5400k-5600kFlash Duration1/500s-1 ... product,counterfeiting not allowed.Output power 1/32-1/1,6-stop aperature,1/10 energy variable.Accureate output±0.08F ... stand,softbox,reflector,honeycomb and oter accessories. Market: Digital studio flashlight with remote controller