☆ System efficacy up to 130 lm/W ☆ Extended system service lifetime up to 80,000 hrs (L80/B50) at ambient temperature 35°C ☆ Outstanding colour rendering performance (Ra = 75 / 80 / 85 / 90), stable colour constancy ☆ Glare protection, light control with lens ☆ Instant full light on, and instant restart with 100% full luminous flux ☆ Optional with 0-10V dimming and dali dimming ☆ DIN13021 design standard ☆ Beam angle 45/90/120 ° ☆ Housing of finish color : jet black RAL9005 or silver grey RAL7001 ☆ 2500-6500K avaliable