... type : message ,sound ,alarm... 4) Certificate: CE, CCC Multi-signal lamp, Signal tower lightFeatures:Using ultra-high brightness LED as the ... light, multi-layer structure, the color shade can be any combination of five, ultra-durable, with more ... 85 ~ 110%.Operating temperature: -20 ~ +50 °C.Wiring: wire type.Shade Color: Red, yellow, green, blue, white.Power: ≤ 5W. Multi-signal ...