For work, crafts, home repairs and so much more, you’ll find a thousand uses for this hands-free (and hassle-free) headlamp! 7 super-bright LED bulbs light up any project with precision. Weight 0.2 lb. Plastic and elastic head band. Three AAA batteries not included. Head lamp: 3" x 2 1/2" x 2 1/4" high; with adjustable head strap.