BL2205PT is not only bringing great visual performance to your workstation and house, but also an essential part of your solutions to minimize total cost of ownership and maximize staff productivity - a win-win decision for the benefits of all. The BL Series are newly upgraded with the incorporation of BenQ's proprietary Flicker-free Technology to eliminate backlight flickering at all brightness levels and effectively reduce eye fatigue. Conventional LCD screens flickers 200 times per second. The flickers may not be detectable by your eyes but they can certainly feel the flickering. So it is important to relieve your eyes from the stress caused by a flickering screen - and keep them nice and fresh when you are working on new designs. Every Monitor produces a strain of blue spectrum light that is one of the critical causes of eye damage, eye strain, headaches and sleeping disorders. BenQ's unique Low Blue Light technology is designed to deal with the everyday problem of blue light exposure and allows a healthier time spent in front of your computer. Switch to one of the four preset Low Blue Light Modes from OSD hot key (Multimedia - 30% reduction, Web-surfing - 50% reduction, Office - 60% reduction, Reading - 70% reduction), and reward your eyes without having to lose the visual enjoyment.