... 100000 hours life time• Tactical switch, press for momentary, press further to click for constant ON• Tough polycarbonate window resists impact ... Aircraft aluminum body, anodized for corrosion resistant and durability• Advanced digital DC-DC regulated circuit board, high efficiency and longer time ... • O-ring sealed, weatherproof 9609 3D-Cell 3W High Intensity Security LED Flashlight with Aluminum Case