... , silicone packaging,indicative of strong, independent thermal structure design 1W high power led chipMechanical DimensionsModelColorLuminousCCTForward voltageForward currentView angleSL-WSHP08-F*/1wPure White110 ... -High termperature resistence-silicone packaging,Good heat sinkingFactory show Certificate 1W 3W Edison high power led with 110-130lm in stable efficiency