... Long Worklife, Great Luminanting Angle, Super Bright LED(Cree),and Very Special Radiation Design Features and Technical ... Whole lamp, LED working temperature < 45Light Source: power LED, Super bright white LED chipLED luminous efficacy: > 60 Lm/wLED Module: IC constant ... Innovative Radiation design, temperature can be controlled under 60° C, increase the lifetime of the lamp greatly.2. Radiation ...