State-of-the-art LEDs illuminate projects and workspaces without flashlight or bulky headlamp • Two ultra-bright LED’s in the brim; two additional LED’s concealed under the brim. •Choose two brim LED’s for illumination up to 50 ft. two under the brim lights for close-up tasks or all four for maximum visibility. •LED’s emit white light perfect for working on color-coded projects and have a bulb life of approximately 100 000 hours. •Four replaceable CR2032 long-life lithium batteries (included) for more than 30 hours of continuous light. • ANSI 107 hats are ANSI-compliant 150D oxford polyester with Mesh venting panels.