☆ System efficacy up to 115lm/W ☆ Extended system service lifetime up to 40,000hrs (L80/B50) at ambient temperature 35°C ☆ Outstanding colour rendering performance (Ra = 80/85/90/95), ☆ Stable colour constancy, No strobe, no glare consistent light output ☆ According to IEC 60598, IEC 61000-3-2:2005 standard ☆ Housing of finish color : traffic white RAL9016/silver grey RAL7001