Acer B277 27 LED LCD Monitor – 16:9 – 4ms GTG – Free 3 year Warranty – 27 Class – In-plane Switching (IPS) Technology – LED Backlight – 1920 x 1080 – 16.7 Million Colors – Adaptive Sync – 250 Nit – 4 ms – 75 Hz Refresh Rate – HDMI – VGA – DisplayPort – TAA Compliance