... -glare optical design 3.5 year LED warranty 9W LED Module,50mm cut hole ,COB led downlight Features and Benefits:1, Delivering a ... , Return on investment less than 1 year.7, CE and RoHS certified.8, Very homogenous light distribution.9, Non- ... 40°Operating temperature: -20°C~40°CStorage temperature: -30°C~60°CColor rendering index: 82Certificate: CE/RoHSDimmability: Non-DimmableCut hole DiameterPackage ...