YONGNUO YN300 Air LED Camera Video Light with Adjustable Color Temperature 3200K-5500K for Canon Nikon Pentax Olympas Samsung DSLR Camera + AC Adapter Adopts SMD LED as light source which provides soft light and wide illuminating angle, and it makes YN301 Air video light much suitable for filling light from a close distance. YN300 Air adopts ultrahigh CRI LED.RA average value is greater than 96 and close to natural light,which restores the color of the subject perfectly. YN301 Air adopts LED constant-current driving technology which is specially developed for light supplement;light ripple,st-robing,jitter and other undesirable phenomena can be avoided during the shooting. YN301 Air adopts encoder for digital dimming;it can be divided into coarse tuning mode and fine tuning mode;dimming result is accurate and reliable. YN301 Air adopts LED digital grid display screen,which makes display result more stereoscopic and power output more intuitive.