2 NM. 360 visibility. This compact light features single LED efficiency, advanced Multivolt electronics and precision optics for reliable and highly visible all round lighting. Energy efficient as it draws less than 1.5 W of consumption. No bulbs, no maintenance, and ultra long service life. The housing is made of UV and impact resistant plastic with a heavy duty Grilamid lens. NaviLED is shock/vibration proof. The Multivolt drive circuitry provides reverse polarity, spike and over-voltage protection. Fully sealed IP67 certified.