The z400 ultracolor led by fv has a colour rendering index of 95 with each panel guaranteed to vary no more than 100k in colour temperature featuring 400 high power leds which are equally divided between tungsten balanced and daylight balanced and a 60 beam angle the z400 is an incredibly accurate and consistent unit connect it to other panels by using the built in expansion port to install the smartsync control circuit and create a daisy chain of lights included with each panel is a