The Dorcy 3 LED cap light features a unique built-in clip attachment that allows for hands-free use and easy attachment to you cap. This light is lightweight and compact. You will not feel its weight on your cap. An under mounted slide switch provides for easy switching. Its 3 super bright 5 mm LEDs produce 10,000 mcd of output with a 13 hrs runtime. The LED cap light is available with traditional white LEDs.