Screen: 60.5 cm (23.8") Full HD (1920 x 1080) 75 Hz Panel Technology: Vertical Alignment (VA) (178x178& deg;) FreeSync Inputs: HDMI VGA Response Time: 4 ms (G2G) Brightness: 250 cd/m2 Energy Class: F   Full HD LED monitor The 1920 x 1080 resolution of this LED monitor delivers excellent detail making it perfect for advanced HD productivity and multimedia applications. LED monitors also consume less power and last longer than those with CCFL lamps. In addition this monitor is mercury-free making it safer for you and the environment.     ComfyView Display Acer ComfyView monitors reflect less ambient light to deliver vivid colors reduced glare and more comfortable viewing even over prolonged periods.     Blue Light Filter technology Acer Blue Light Filter reduces the exposure ratio of blue light which can potentially cause long-term eye damage by adjusting color hue and brightness.Users can adjust the percentage of blue light exposure via the OSD (onscreen display) settings to ensure comfortable viewing over long periods of time.     Flickerless technology A constant image's refresh rate may flicker up to 60 times a second although human's eyes hardly recognize the circumstance. The flicker screen is less visible but makes eyestrain even damage eye healthAcer Flicker-less technology helps to eliminate screen flickering through a stable supply of power