The Dorcy 3 LED Cap Light offers a hands-free lighting solution with its built-in clip attachment, perfect for attaching to your cap. This lightweight and compact light won't weigh you down. With an under-mounted slide switch, it's easy to operate. The 3 super bright 5MM LEDs deliver 10,000 mcd of output, providing reliable illumination for up to 13 hours. Available with traditional white LEDs, this cap light comes with a CR2016 battery included. (Model: 41-2105)