... Luminous flux 4800lmLuminous efficiency 80–85lm/WColor temperature 2700-4500K, 4500-6500 K, 6500-9000KCRI ... Ra>70Working temperature -25°C~45°C Environment humidity <90Working ... than 3% by 3,000hrs aging test under temperature 50 degrees celsius, high luminous efficiency of ... LED10 Wide range voltage input11 No UV or infra-red radiation, no mercury or lead, eco-friendly, ...