Protect your eyes with ASUS Eye Care technology
Ultra-low Blue Light Monitor
The TÜV 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. VZ239N has undergone stringent performance tests and has been certified by TÜV 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. VZ239N features TÜV 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.