The Streamlight SL-20LP Full Size Rechargeable 350 Lumen Flashlight is a full-sized, full-feature polymer flashlight with C4 LED technology that delivers a 490 meter beam distance. This Flashlight by Streamlight is built with 3 microprocessor controlled variable intensity modes, a strobe mode and the latest in power LED technology. The Streamlight SL-20LP LED Flashlight is made with a lightweight, impact resistant nylon polymer case that has been designed with a non-slip rubber comfort grip. The O-ring sealed lens on this Streamlight Flash Light is made with an unbreakable polycarbonate material that has been finished with a scratch resistant coating, to keep your light in perfect condition for an incredibly long time. The Streamlight C4 LED 350 Lumen Flash-Light is built with shockproof C4 LED technology and has a 50,000 hour lifetime. This Streamlight Flashlight is constructed using a deep-dish parabolic reflector that produces a tight beam with optimal peripheral illumination to help aid in navigation. The Stream-Light Rechargeable C4 LED 350 Lumen Flashlight has a multi-function, push-button barrel switch, and one handed operation of momentary variable intensity or strobe mode.