High quality 7.5’’ 13.5’’ 21.5’’ 31.5’’ 41.5’’ 50’’ 52’’ for Cree led light bar, it also have two tpyes, normal and 4D. The 4D Light bar is more brighter as the leds was designed using a fish eye cap reflector, it can offer the maximum range of the beam. Cree led light bars are the most popular in USA! Beacause this led light bar was use Cree LEDs. It has the longest LED life. It not like other lights, just appear brighter at first, and then it will become dimmer after six months.