... orderedWork temperature- 10 ~ 50 °CBrightness degradation0.3%Application Area:(1) basic commercial lighting.(2) shopping, lighting, specialty lighting, hotel ... desk lamp, celling light, household lighting etc.Product Advantages:(1) led lamp view angle:120°, it could used as ... dissipation, longer life, less brightness degradation than plug-in unit led lamp.(3) Compared with the high power led lamp ...