... hours6. IP rating IP547. Application Gas station, cooler, freezer, parking garage, shopping mall etcAnodized aluminum reflector designed to optimize light ... times than incandescent lamp,20 times than halogen lamp, 15 times than sodium lamp, 10 times than metal halide lamp. 2,Energy-saving ... same luminous take away ¼~1/5 electricity of incandescent lamp, with 70-80lm/w luminous Intensity; can make full ...