Applied Innovative Technologies Inc. NightStar CS features a magnetic Charging system just 30 seconds of shaking provides more than 20 minutes of light, a heavy-duty Energy Storage Cell. Its bright LED is available in White, Green, or Red. The system offers a high-impact housing, is waterproof and corrosion resistent, and floats with LED in upright position. The Nightstar CS comes in a compact (just 7 inches long) and lightweight (6 ounces) design. It features a rotary nonclogging switch, detachable lanyard endcap that allows the light to slip into a pocket, and an ergonomic design. NightStar NightStar CS OR RO