... with large lighting angle, single-sided lighting, high light utilization rate6. Unique optical circuit design, low glare,no ... low heat,long service life, good stability,high reliadility9.LED light source without harmful UV radiatio Electrical parameter Input ... temperatureLift time-20 °C---40 °C10%-90%RH-30 °C---50°C35000HBody materialCover materialProtection gradeAluminumOptics diffused PC, ...