1.super bright lens design,led color:red blue amber clear , 2.18 pattern is chose,easy to operating, 3.CE/IP65 ISO9001-2000 working voltage DC12V or DC24VLight Power 0.5w/ 1w light source LEDTemperature -40°C-+50°CLED color Red , Blue , Amber , Clear , GreenFlash Patterns 18 includes offMaterial PC & AluminiumAdvantage waterproof & shockproof Emergency Warning Light Bar