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.
BrandAcer
ModelEK221Q J0bmix
Model aliasEK221QJ0bmix
UM.WE1SJ.004
Model year2025

Display

Information about the main characteristics of the display - panel, backlight, resolution, refresh rate, etc.
Size class21.5 in (inches)
Diagonal546 mm (millimeters)
54.6 cm (centimeters)
21.4961 in (inches)
1.7913 ft (feet)
Width479 mm (millimeters)
47.9 cm (centimeters)
18.8583 in (inches)
1.5715 ft (feet)
Height260 mm (millimeters)
26 cm (centimeters)
10.2362 in (inches)
0.853 ft (feet)
Panel typeVA
Panel bit depth8 bits (6 bits + FRC)
FRCYes
Colors16777216 colors
24 bits
Aspect ratio1.778:1
16:9
Resolution1920 x 1080 pixels
Full HD / 1080p
Pixel pitch0.249 mm (millimeters)
0.0249 cm (centimeters)
0.0098 in (inches)
0.0008 ft (feet)
Pixel density101 ppi (pixels per inch)
40 ppcm (pixels per centimeter)
Display area89.26 % (percent)
BacklightW-LED
sRGB99 % (percent)
Brightness250 cd/m² (candela per square meter)
Static contrast3000 : 1
Dynamic contrast100000000 : 1
Horizontal viewing angle178 ° (degrees)
Vertical viewing angle178 ° (degrees)
CoatingAnti-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.
3DNo

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.
110V100 V - 120 V (volts)
220V220 V - 240 V (volts)
Alternating current frequency50 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.
Width493 mm (millimeters)
49.3 cm (centimeters)
19.4094 in (inches)
1.6175 ft (feet)
Height283 mm (millimeters)
28.3 cm (centimeters)
11.1417 in (inches)
0.9285 ft (feet)
Depth52 mm (millimeters)
5.2 cm (centimeters)
2.0472 in (inches)
0.1706 ft (feet)
Weight2.1 kg (kilograms)
4.63 lbs (pounds)
Width with stand493 mm (millimeters)
49.3 cm (centimeters)
19.4094 in (inches)
1.6175 ft (feet)
Height with stand377 mm (millimeters)
37.7 cm (centimeters)
14.8425 in (inches)
1.2369 ft (feet)
Depth with stand192 mm (millimeters)
19.2 cm (centimeters)
7.5591 in (inches)
0.6299 ft (feet)
Weight with stand2.5 kg (kilograms)
5.51 lbs (pounds)
Box width559 mm (millimeters)
55.9 cm (centimeters)
22.0079 in (inches)
1.834 ft (feet)
Box height351 mm (millimeters)
35.1 cm (centimeters)
13.8189 in (inches)
1.1516 ft (feet)
Box depth107 mm (millimeters)
10.7 cm (centimeters)
4.2126 in (inches)
0.351 ft (feet)
Box weight4.1 kg (kilograms)
9.04 lbs (pounds)
Stand width220 mm (millimeters)
22 cm (centimeters)
8.6614 in (inches)
0.7218 ft (feet)
Stand depth192 mm (millimeters)
19.2 cm (centimeters)
7.5591 in (inches)
0.6299 ft (feet)
ColorsBlack

Ergonomics

Information about the ergonomic functions - height adjustment, swivel angles, tilt angles, etc.
VESA mountYes
VESA interface100 x 100 mm
Removable standYes
Height adjustmentNo
Landscape/portrait pivotNo
Left/right swivelNo
Forward/backward tiltYes
Forward tilt5 ° (degrees)
Backward tilt20 ° (degrees)

Audio

Information about the audio system - number and power of the built-in speakers, supported audio technologies.
Speakers2 x 2 W (watts)

Camera

Many contemporary desktop monitors and smart TV sets have built-in cameras.
CameraNo

Connectivity

Available connectivity ports, slots and interfaces.
Connectivity1 x HDMI 1.4
1 x D-sub
1 x 3.5 mm Audio Out

Features

Some additional functional features of the model.
FeaturesAdaptive-Sync technology
Flicker-free technology
Low Blue Light
ZeroFrame Design

Certificates, standards and licenses

Licenses from regulatory agencies, standards, certificates.
Certificates, standards and licensesJ-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 temperature0 °C - 40 °C (degrees Celsius)
32 °F - 104 °F (degrees Fahrenheit)
Operating humidity20 % - 85 % (percent)

Accessories

Often the packaging of desktop monitors and smart TV sets includes accessories for them.
AccessoriesHDMI cable

Additional features

Information about other features.
Additional featuresAnti-theft stand lock slot - Kensington