... life span 4. Good heat dissipation ParametersLamp source : CREE LED Interior lighting: Not-dimmable Ambient tempeRature: -20 ºC ~ 40 º ... power, good power factor, high brightness efficiency; 5, LED light source of ultra high power, high brightness; Lowest ... various and universal standard bases, easy and directly replacement.Application1, Lighting for home, hotel, shopping mall, school, office, hospitals ...