Neewer 660 pro is a powerful RGB led video light with 50W high power light.Bi-colour can adjust the color temperature from 3200k-5600k,RGB can adjust the hue output from 0-360 and color saturation from 0%-100%.This RGB light adopts a constant current control design which brings better effect for video shooting with no stroboscopic phenomenon you can set the the channel 1-8 and adjust the color temperature/brightness/HSI parameters/scenes through the button and knob on the panel with clear LCD screen.it is made of excellent quality aluminum alloy with excellent heat dissipation;horizontal and vertical interface.it has a U-mount bracket which enables the photographer to adjust the lighting angle,attaching barn doors makes light sources create a beam spread of light.it also comes with a diffuser to soften the harsh light.