Upgraded Dimmable RGB Light- With upgraded cooling and lighting control system (constant 50W lighting, no flicker or color shift), the 660 PRO II RGB breaks the minimum brightness limit from 1% slight bright (brightness and power can reach a true 1%) to 100% ultra-bright, as well as 3200K-5600K color temperature and 360?? full RGB range, all ensuring smooth and precise adjustment. Power and brightness remain consistent when adjusting hue/color temperature.