Additional Details ------------------------------ Product description: Considered to be the finest flashlight in the world. Designed and built to last a lifetime. This is why more police, security, emergency, medical and fire professionals around the world rely on Mag-Lite? flashlights. Designed, engineered and made in the USA. Features: Adjustable beam, krypton bulb (extra included in tail cap), self cleaning switch, finest metal contacts, computer designed reflector, high-grade rubber O-rings are exceeding resistant to water and shock, corrosion resistant anodized finish inside and out.