| Product Program Category |
| Displays |
Displays |
| Type |
| Monitor |
Monitor |
| Brand Name |
| ViewSonic |
ViewSonic |
| Model Name |
| VA2247-mh |
VS2447M |
| Model Number |
| VS18521 |
VS18813 |
| UPC |
| 766,907,010,930 |
766907015331 |
| CB Model Identifier |
| ES_20451_VS18521_06212021120712_3982009 |
ES_20451_VS18813_09112023171734_1784212 |
| Meets ENERGY STAR Most Efficient 2024 Criteria |
| No |
No |
| ENERGY STAR Partner |
| ViewSonic Corporation |
ViewSonic Corporation |
| Product Category |
| Displays |
Displays |
| Date Available On Market |
| June 20, 2021 |
August 31, 2023 |
| Date Certified |
| June 14, 2021 |
September 11, 2023 |
| Markets |
| United States, Switzerland, Taiwan, Japan, Canada |
United States, Switzerland, Taiwan, Japan, Canada |
| Product Type |
| Monitor |
Monitor |
| Panel Type |
| TN LCD |
VA LCD |
| Native Resolution (pixels) |
| 1920 x 1080 |
1920 x 1080 |
| Total Native Resolution (megapixels) |
| 2 |
2.1 |
| Screen Size |
| 21.5 inches / 54.61 cm |
23.5 inches / 59.69 cm |
| Screen Area (square inches) |
| 193.11 inches / 490.50 cm |
237 inches / 601.98 cm |
| Model Features |
| Built-In Speakers |
None |
| Features Enabled in Default On Mode |
| Built-In Speakers |
None |
| Features Enabled in Default Sleep Mode |
| None |
None |
| Signal or Data Interfaces |
| VGA,HDMI |
VGA,HDMI |
| Power Source |
| Ac to dc internal power supply |
Ac to dc external power supply |
| On Mode Power (watts) |
| 12 |
12.68 |
| Sleep Mode Power (watts) |
| 0 |
0.15 |
| Off Mode Power (watts) |
| 0 |
0.14 |
| Monitor Total Energy Consumption at 115 Volts (kWh/yr) |
| 40 |
39.74 |
| Maximum Total Energy Consumption Limit for Monitor Certification (kWh/yr) |
| 43 |
45.26 |
| Maximum Luminance (candelas per square meter) |
| 250 |
250 |
| Enhanced-Performance Display? |
| No |
No |
| Color Spaces Supported |
| None |
None |
| High Dynamic Range (HDR) |
| N/A |
N/A |
| Display Contrast Ratio at 0 deg. Horiz. Viewing Angle |
| 3,000 |
1000 |
| USB-C with Power Delivery Supported |
| No |
No |
| Tiled Display System |
| No |
No |
