System efficacy of 163 lm/W with IP66/IP69 protection. Ambient temperatures range from -25?C to 50?C. Emergency back-up versions available. Life time of 50000 hours. UGR from 21.4 to 26.2 with IK10 impact strength. Chromaticity tolerance SDCM3. Certifications include CE, ENEC, CB, HACCP, EPD.