Acer Nitro QG1 QG221Q bii | 21.5in | 250 nits (cd/m2) | (1920x1080) 75Hz | 1ms (VRB) | AMD FreeSync

Technical Specifications

Display: 23.8in

Panel Type: VA (Vertical Alignment)

Britghtness: 250 nits (cd/m2)

Maximum Resolution: 1920 x 1080 @ up to 165Hz

Response Time: 1ms (VRB)

Adaptive Contrast Management: 100 million:1 max (ACM)

Viewing Angles: 178?(H),178?(V)

16.7 million

Ports: 2xHDMI 1xDisplayport SPK Audio out 

Power: 100 - 240 V Internal Adapter

Vesa Compatible: 100 x 100 mm

Technology:

- AMD Radeon FreeSync Technology

- VESA Wallmount Support

- 1ms Visual Response Boost for blur free gaming

- BlueLightShield & flicker-less  technology to reduce fatigue