Display: 21.5 in, VA, W-LED, 1920 x 1080 pixels
Viewing angles (H/V): 178 ° / 178 °
Brightness: 250 cd/m²
Static contrast: 3000 : 1,
Dynamic contrast: 100000000 : 1
Refresh rate: 60 Hz - 120 Hz
sRGB: 99 %
Dimensions: 493 x 283 x 52 mm
Weight: 2.1 kg
Brand, series, model
Information about the brand, series, model and model aliases.
| Brand | Acer |
| Model | EK221Q J0bi |
| Model alias | EK221QJ0bi UM.WE1SJ.003 |
| Model year | 2025 |
Display
Information about the main characteristics of the display - panel, backlight, resolution, refresh rate, etc.
| Size class | 21.5 in (inches) |
| Diagonal | 546 mm (millimeters) 54.6 cm (centimeters) 21.4961 in (inches) 1.7913 ft (feet) |
| Width | 479 mm (millimeters) 47.9 cm (centimeters) 18.8583 in (inches) 1.5715 ft (feet) |
| Height | 260 mm (millimeters) 26 cm (centimeters) 10.2362 in (inches) 0.853 ft (feet) |
| Panel type | VA |
| Panel bit depth | 8 bits (6 bits + FRC) |
| FRC | Yes |
| Colors | 16777216 colors 24 bits |
| Aspect ratio | 1.778:1 16:9 |
| Resolution | 1920 x 1080 pixels Full HD / 1080p |
| Pixel pitch | 0.249 mm (millimeters) 0.0249 cm (centimeters) 0.0098 in (inches) 0.0008 ft (feet) |
| Pixel density | 101 ppi (pixels per inch) 40 ppcm (pixels per centimeter) |
| Display area | 89.26 % (percent) |
| Backlight | W-LED |
| sRGB | 99 % (percent) |
| Brightness | 250 cd/m² (candela per square meter) |
| Static contrast | 3000 : 1 |
| Dynamic contrast | 100000000 : 1 |
| Horizontal viewing angle | 178 ° (degrees) |
| Vertical viewing angle | 178 ° (degrees) |
| Coating | Anti-glare/Matte |
| Response time - 1 ms (VRB - Visual Response Boost) |
3D
3D displays use various technologies to achieve a 3D effect. Each of these technologies has its own advantages and drawbacks.
| 3D | No |
Frequencies
Information about the horizontal and vertical refresh rates/frequencies.
| Horizontal frequency (digital) | 1 kHz - 135 kHz (kilohertz) |
| Vertical frequency (digital) | 60 Hz - 120 Hz (hertz) |
Power supply and consumption
Information about the power supply and consumption, energy efficiency class, etc.
| 110V | 100 V - 120 V (volts) |
| 220V | 220 V - 240 V (volts) |
| Alternating current frequency | 50 Hz - 60 Hz (hertz) |
| Power consumption (off) | 0.3 W (watts) |
| Power consumption (sleep) | 0.5 W (watts) |
| Power consumption (average) | 13 W (watts) |
| Power consumption (maximum) | 24 W (watts) |
Dimensions, weight and color
Information about the dimensions and the weight of the specific model with and without stand as well as the colors, in which it is offered to the market.
| Width | 493 mm (millimeters) 49.3 cm (centimeters) 19.4094 in (inches) 1.6175 ft (feet) |
| Height | 283 mm (millimeters) 28.3 cm (centimeters) 11.1417 in (inches) 0.9285 ft (feet) |
| Depth | 52 mm (millimeters) 5.2 cm (centimeters) 2.0472 in (inches) 0.1706 ft (feet) |
| Weight | 2.1 kg (kilograms) 4.63 lbs (pounds) |
| Width with stand | 493 mm (millimeters) 49.3 cm (centimeters) 19.4094 in (inches) 1.6175 ft (feet) |
| Height with stand | 377 mm (millimeters) 37.7 cm (centimeters) 14.8425 in (inches) 1.2369 ft (feet) |
| Depth with stand | 192 mm (millimeters) 19.2 cm (centimeters) 7.5591 in (inches) 0.6299 ft (feet) |
| Weight with stand | 2.5 kg (kilograms) 5.51 lbs (pounds) |
| Box width | 559 mm (millimeters) 55.9 cm (centimeters) 22.0079 in (inches) 1.834 ft (feet) |
| Box height | 351 mm (millimeters) 35.1 cm (centimeters) 13.8189 in (inches) 1.1516 ft (feet) |
| Box depth | 107 mm (millimeters) 10.7 cm (centimeters) 4.2126 in (inches) 0.351 ft (feet) |
| Box weight | 3.7 kg (kilograms) 8.16 lbs (pounds) |
| Stand width | 220 mm (millimeters) 22 cm (centimeters) 8.6614 in (inches) 0.7218 ft (feet) |
| Stand depth | 192 mm (millimeters) 19.2 cm (centimeters) 7.5591 in (inches) 0.6299 ft (feet) |
| Colors | Black |
Ergonomics
Information about the ergonomic functions - height adjustment, swivel angles, tilt angles, etc.
| VESA mount | Yes |
| VESA interface | 100 x 100 mm |
| Removable stand | Yes |
| Height adjustment | No |
| Landscape/portrait pivot | No |
| Left/right swivel | No |
| Forward/backward tilt | Yes |
| Forward tilt | 5 ° (degrees) |
| Backward tilt | 20 ° (degrees) |
Camera
Many contemporary desktop monitors and smart TV sets have built-in cameras.
| Camera | No |
Connectivity
Available connectivity ports, slots and interfaces.
| Connectivity | 1 x HDMI 1.4 1 x D-sub |
Features
Some additional functional features of the model.
| Features | Adaptive-Sync technology Flicker-free technology Low Blue Light ZeroFrame Design |
Certificates, standards and licenses
Licenses from regulatory agencies, standards, certificates.
| Certificates, standards and licenses | J-Moss PSE RoHS VCCI-B |
Operating and storage conditions
There are certain requirements for the environmental conditions, in which the display should be used and stored in order to function properly.
| Operating temperature | 0 °C - 40 °C (degrees Celsius) 32 °F - 104 °F (degrees Fahrenheit) |
| Operating humidity | 20 % - 85 % (percent) |
Accessories
Often the packaging of desktop monitors and smart TV sets includes accessories for them.
| Accessories | HDMI cable |
Additional features
Information about other features.
| Additional features | Anti-theft stand lock slot - Kensington |
