... design,weight is very light,brightness is very high,special for professional video cameras.Use with 2pcs of Sony batteries,single battery ... the beam angle can be changed randomly.Digital circuit design,10%-100% brightness adjustment,no light shocking.Battery test button, ... Angle 45° 45°Lllumination(Lux) 1m:2200lux 1m:3000luxBrightness variation 10%-100% 10%-100%Color Rendering index(ra) ≥85% ≥85%Color ...