Shock resistant, engineering grade polymer case with thermoplastic elastomer grip. Unbreakable polycarbonate lens. 3.7 ounces. 1.32" (D) x 6.06" (L). Up to 4 hours of continuous use. Up to 3500 candlepower. Waterproof to 200 feet; Dual switches (head and tailcap); Non-conductive and corrosion proof; Pocket clip.