For 6- to 12-Volt use, For "informative" general signaling requirements, Incorrect polarity cannot damage circuit or draw current||Easy 2-wire installation, regardless of voltage; Low current consumption with long operating lifespan of over 300 continuous hours (2,000,000 flashes)||Lens is made of high-impact resistant acrylic, case of high-impact resistant ABS plastic||Comes with a protective inner cover, protects the high-voltage xenon tube when the colored lens has been removed||Use in temperature ranging from -22F (-30C) to 140F (60C)view less