The Streamlight SL-20X-LED Flashlight is a full-size, professional grade, high intensity, rechargeable flashlights with LED back-up illumination. The machined aircraft aluminum housing that's anodized against corrosion and the unbreakable polycarbonate lens with scratch-resistant coating make the Streamlight SL-20X-LED Flashlight virtually indestructible. It is O-Ring sealed, water resistant, and serialized for positive identification. The high-capacity sub-C, nickel-cadmium battery of the Streamlight SL-20X-LED Flashlight recharges up to 1000 times. It has a power failure feature that provides when the light is in its charger in the on position, the light will come on automatically during power failure. O-Ring sealed, water resistant. The Streamlight SL-20X-LED Flashlight is 13 1/4-inches in length, weighs 1.7 pounds, and is available in black. This flashlight includes a 120V AC (home) charger & sleeve.