Acer HA220Q Bbix 21.5" IPS Full HD Monitor, 1920 x 1080 75Hz Refresh Rate with AMD, RADEON FreeSync Technology (HDMI Port & VGA Port), 16:9 Aspect Ratio, Up to 75Hz, Pixel pitch: 0.248mm, Brightnes:250cd/m, Contrast Ratio: 100 Million: 1 MAX(ACM), Screen Treatment: Antiglare, Response Time: 1ms (VRB), Colors:16.7 million, Viewing Angles: 178 degree Left/Right, 178 degree U/Down, Signal Inputs: 1xHDMI 1xVGA, Electrical Requirements: Normal Operation: <24Watts, Off (power-save): <1 Watts, 100 - 240 VAC, 50/60 Hz, Agency Certifications: UL, cUL, FCC Class B, CE, TUV/GS, VCCI, RoHS, MPRII, Display Stand: Ergonomic Tilt: -5 degree to 15 degree, Limited Warranty: 3 Year parts and labor.