Check the listing for details. NRG Varalux Pro Video Light - XLR - Includes Mount. Condition: Used. Listed at 45.00 USD. Features This Varalux Pro features a DC dimmable light source with sophisticated electronic light management system; this system utilizes on-board control IC's, integrating NRG's Light-Gate technology which enables the user to adjust intensity within a range of 10% to 100% of the lamp's rated power. Best of all, theVaralux Provirtually eliminates color shift and uses only the power required for the selected light level. Click Tilt TheClick Tiltmechanism is a specific feature for NRG lights; it allows the user to tilt the light at a specific bounce angle determined by an audible click detent. Dispersion Grid Prismatic Pyrex dispersion grid provides smooth even light output and is known for subject comfort. Variable Intensity Control Adjusts light intensity without changing color temperature.