Pelican® HeadsUPLite™ Hands-free professional worklight fits all types of helmets. Powerful, adjustable Krypton® bulbs are included; 3/4 amp high-intensity bulb and 1/2 amp bulb for extended use. Made of tough ABS polymer, HeadsUPLite™ is submersible to 500 feet. Choose heat-resistant hypo-allergenic silicone industrial strap for helmets and hard hats. Elastic cloth strap is for bare heads. Four AA Energizer batteris included. FM, MSHA, CSA and Ex approved. Made in USA.