Approved for Class I, Division 1 hazardous locations—ideal for atmospheres with hazardous gases, vapors, and liquids.Features - Polycarbonate lens - Rubber hard hat strap - Elastic head strap - Uses 3 AA alkaline batteries (included) - Impact resistant to 1 m - 1 7/8"H x 3 1/16"W x 2 1/2"D - Yellow - 1/Each