OL-747 panel light series for office lighting, and BL-360, BL-370, BL-380 series for batten or troffer lighting. Luminaire System Efficiency≧140 lm/W 60% energy saving more than T5 or T8 luminaire >91.5% efficiency of LED driver with more than 40,000 hours product life design. Low glare and no flicker 5 years or 20,000 hours product warranty ( include： Luminaire / driver / LED chips)