Impact resistant engineering resin case offering exceptional durability and weather resistance. All openings are O-ring sealed. Unbreakable polycarbonate lens. Push button switch; On, Off. Easy operation even when wearing heavy gloves.UL, C-UL Classified Class 1, Division 1, Groups A,B,C,D, Class II, Division 1, Groups E,F,G Class III, Temperature Code: T4Most models meet applicable European Community DirectivesPermissible Portable Headlight Assembly; Approval No. 20-A070001-0. Tested for use in Methane-air mixtures only.