... With Long Worklife, Great Luminanting Angle, Super Bright LED(Cree),and Very Special Radiation Design Features and Technical of ... , toughened glassAbstract heat type: Whole lamp, LED working temperature < 45Light Source: power LED, Super bright white LED chipLED luminous efficacy: > 60 Lm/wLED ... reflection optics design, Great luminanting angle7. Own 6 Chinese Pantents LED Lamp