Led light source: cree Warranty(years): 3 Input voltage(v): 100-240vac Lamp luminous flux(lm): 780-955lm Lamp luminous efficiency(lm/w): 100 Cri (ra>): 82 Color temperature(cct): 2800-6500k Working temperature(¡æ): -20 - +40 Working lifetime(hour): 50000 Lamp body material: aluminum Ip rating: ip44 certification: Brand name: future Color:warm/nature/coolwhite, red, blue, green, yellow