The Nitecore MT06MD is a compact penlight specifically designed for use by medical professionals and first responders. The sophisticated light uses a high CRI Nichia 291B LED to produce up to 180 Lumens of vivid white light, as well as two dimmer settings of 45 Lumens and 4 Lumens. The light is completely waterproof and can even be submerged in alcohol for sterilization.