... temperature: -20 to 40° C Color temperature: 5, 500 to 6, 500 and 2, 700 to 3, 500K Super reliability, passed ... starters. 5,Long lifespan , low cost of maintenance. 6,Energy saving and high luminous intensity, energy consumption can be 30% of traditional ... light in art display, museum jewelry counter. 3,Window display in fashion shop, fashion show, notebook PC shop etc. High power 3*1w LED ...