BE239QLB business monitor features a Full HD(1920x1080) resolution with LED-backlit and a 178° wide-view angle that minimizes colour shift on both horizontal and vertical planes to ensure quality visuals from almost any direction. BE239QLB business monitor features a host of connectivity options that include DisplayPort, DVI-D, D-sub, Audio in, Earphone jack, and two USB 2.0 ports. Say goodbye to tired, strained eyes. BE239QLB features ASUS Flicker-free and Low Blue Light technologies to reduce instances of eyestrain and other damaging effects when spending long, countless hours in front of a display. The TUV Rheinland-certified ASUS Blue Light Filter protects you from harmful blue light, and you can easily access its four different filter settings via a hotkey. BE239QLB has undergone stringent performance tests and has been certified by TUV Rheinland laboratories, a global provider of technical, safety, and certification services, to be flicker-free and to emit low blue light levels. It's time to say goodbye to those tired, strained eyes. BE239QLB features TUV Rheinland-certified ASUS Flicker-Free technology to reduce flicker for a comfortable viewing experience. This technology helps minimize instances of eyestrain and other damaging ailments, especially when you spend long, countless hours in front of a display watching favorite videos.