The main strength of VA technology is high contrast: 3000:1 means dark areas stay black rather than grey, which you notice in films and in apps with a dark theme. Full HD resolution on a 21.45-inch screen keeps text sharp, and the 100 Hz refresh rate makes cursor movement and page scrolling easier on the eyes. Wide 178° viewing angles keep the picture readable from the side, and the anti-blue-light design reduces eye strain over a long working day.
The LM22-B200S fits offices, customer service desks and home computers where desk space is tight and a simple, economical screen is all that is needed. The VGA input accepts an older desktop PC, while HDMI covers modern laptops and mini PCs. Typical power draw is 22 W. The built-in speakers are enough for video calls and system sounds; for music, separate speakers are a better fit.
| Brand | DAHUA |
|---|---|
| Market positioning | Home |
| Model name | LM22-B200S |
| Product colour | Black |
| Bezel width (top) | 3.3 |
| Bezel width (side) | 3.3 |
| Bezel width (bottom) | 15.2 |
| Viewing angle, vertical | 178 |
| Viewing angle, horizontal | 178 |
| Operating relative humidity (H-H) | 10 - 85 |
| EAN | 6923172598882 |
| Display diagonal | 21.45″ |
|---|---|
| Display resolution | 1920 x 1080 |
| HD type | Full HD |
| Panel type | VA |
| Maximum refresh rate | 100 Hz |
| Native aspect ratio | 16:9 |
| Touchscreen | No |
| Contrast ratio (typical) | 3000:1 |
| Screen shape | Flat |
| Response time | 5 |
| Display number of colours | 16.7 million colours |
| Display brightness (typical) | 250 |
| Built-in camera | No |
|---|
| Number of speakers | 2 |
|---|---|
| RMS rated power | 1 W |
| Built-in speaker(s) | Yes |
| HDMI ports quantity | 1 |
|---|---|
| HDMI | Yes |
| Built-in USB hub | No |
| VGA (D-Sub) ports quantity | 1 |
| Power consumption (typical) | 22 W |
|---|---|
| Power consumption (standby) | 0.5 W |
| Energy efficiency class | E |
| Energy efficiency class (SDR) | E |
| Energy efficiency class (HDR) | Not available |
| Energy consumption (SDR) per 1000 hours | 14 kWh |
| Power supply type | External |
| Power adapter included | Yes |
| Power consumption (off) | 0.3 |
| AC adapter output voltage | 12 |
| Operating temperature (T-T) | 0 – 40 °C |
|---|
| Cables included | HDMI |
|---|---|
| Backlight type | LED |
| Stand included | Yes |
| Product Net Weight | 2 kg |
|---|---|
| Width (without stand) | 492.7 mm |
| Height (without stand) | 284 mm |
| Depth (without stand) | 39.5 mm |
| Weight (without stand) | 2.18 kg |
The manufacturer does not specify VESA mounting for this model. A stand with a metal base is included.
Yes, two 1 W speakers are built in. They handle video calls and notifications; the manufacturer does not specify a headphone output.
The manufacturer lists HDMI and VGA as the inputs, and USB-C is not among them. A laptop with only USB-C needs a USB-C to HDMI cable or adapter.
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