Free delivery in Nairobi CBD for orders above KES 20,000
Dahua B221B 24.5″ FHD 144Hz IPS Monitor with HDMI and DisplayPort
Original price was: KSh 17,700.00.KSh 13,800.00Current price is: KSh 13,800.00. ex VAT
Dahua B221B 24.5″ FHD 144Hz IPS Monitor with HDMI and DisplayPort
| Model | DHI-LM25-B221B |
| Screen size | 24.5 inch IPS |
| Resolution | 1920 x 1080 |
| Refresh rate | 144 Hz |
| Brightness | 300 cd/m² |
| Contrast ratio | 1500:1 |
| Response time | 1 ms MPRT |
| Inputs | DisplayPort 1.4, HDMI 2.0 |
| Outputs | 3.5 mm audio out |
| VESA | 100 x 100 mm |
| Weight | 2.9 kg |
Same day Delivery
Delivery
We deliver to the address you provide. Nairobi is often same-day on business days.
Across the country
Delivery outside CBD starts from KES 300
Warranty 1 year
72-hour (3-day) returns
Description
24.5-Inch Commercial Display for Office and Control Rooms
The Dahua B221B 24.5 monitor pairs a 1920 x 1080 IPS panel with a 144 Hz refresh rate. Dahua specifies 300 cd/m² typical brightness and a 1500:1 static contrast ratio. A 1 ms MPRT response time limits ghosting during fast scroll and video playback.
In-plane switching holds 178° horizontal and vertical viewing angles, so colour stays consistent across a shared desk or a wall-mounted bank of screens. Panel coverage reaches 85% NTSC, which supports design review and image editing beyond routine office tasks. The screen-to-body ratio exceeds 90%, and the surface carries a 25% haze anti-glare treatment with 3H hardness.
Signal inputs comprise one DisplayPort 1.4 and one HDMI 2.0 port, both rated for 1920 x 1080 at 144 Hz. A 3.5 mm audio output feeds external speakers or a headset amplifier. An external 12 VDC 2.5 A adapter supplies power, and the unit draws 19 W typical against 23.8 W maximum. Standby consumption stays below 0.5 W.
Key Features
144 Hz IPS Panel
The 24.5-inch display refreshes 144 times per second and renders 16.7 million colours at 1920 x 1080.Narrow Bezel and Splicing Tolerances
- Top, left, and right borders measure 2.1 mm.
- The bottom edge measures 19.6 mm for multi-screen arrays.
- Unilateral splicing suits video-wall and control-room layouts.
Dual Digital Inputs
- DisplayPort 1.4 accepts 1920 x 1080 at 144 Hz.
- HDMI 2.0 accepts 1920 x 1080 at 144 Hz.
- A 3.5 mm audio output drives external speakers.
Low Blue Light and Flicker Control
Dahua tunes the backlight to cut short-wavelength output and suppresses PWM flicker across long shifts.Metal Base and VESA Mounting
The bundled stand tilts from -5° to 20°, and a 100 x 100 mm VESA pattern accepts arms and wall plates.Power and Thermal Envelope
Typical draw sits at 19 W, standby falls below 0.5 W, and the panel operates from 0 °C to 40 °C.Five-Button OSD Control
A rear button cluster adjusts brightness, input selection, and picture modes without extra software.30,000-Hour Backlight Rating
The ELED backlight carries a rated lifespan of 30,000 hours at typical brightness settings.
Specifications
| Feature | Specification |
|---|---|
| Model | DHI-LM25-B221B |
| LCD technology | IPS |
| Backlight | ELED |
| Screen size | 24.5 inch |
| Aspect ratio | 16:9 |
| Viewing size | 543.744 x 302.616 mm |
| Screen-to-body ratio | ≥90% |
| Viewing angle | 178° (H) / 178° (V) |
| Pixel pitch | 0.2832 x 0.2802 mm |
| Pixels per inch | 89.91 |
| Resolution | 1920 x 1080 (FHD) |
| Refresh rate | 144 Hz |
| Display colour | 16.7M |
| Colour gamut | 85% NTSC (typ.) |
| Brightness | 300 cd/m² (typ.) |
| Contrast ratio | 1500:1 |
| Response time | 1 ms (MPRT) |
| Lifespan | 30,000 hours |
| Surface treatment | Haze 25%, 3H |
| Input ports | 1 x DisplayPort 1.4, 1 x HDMI 2.0 |
| Output ports | 1 x 3.5 mm audio out |
| Power supply | 12 VDC, 2.5 A |
| Power type | External power adapter |
| Power consumption | 18 W basic, 19 W typical, 23.8 W maximum |
| Standby consumption | <0.5 W |
| Operating temperature | 0 °C to +40 °C |
| Operating humidity | 10% to 85% RH, non-condensing |
| Storage temperature | -20 °C to +60 °C |
| Storage humidity | 5% to 90% RH, non-condensing |
| Tilt range | -5° ± 2° to 20° ± 2° |
| Dimensions (W x H x D) | 557.7 x 330.6 x 58.1 mm |
| Package size | 620 x 431 x 134 mm |
| Bezel widths (U/L/R/D) | 2.1 mm / 2.1 mm / 2.1 mm / 19.6 mm |
| Net weight | 2.9 kg |
| Gross weight | 3.9 kg |
| Casing colour | Black |
| Control mode | Five-button |
| VESA mounting | 100 x 100 mm |
| Certifications | CE EMC, CE LVD, CE ERP |
What’s in the Box
Dahua B221B 24.5-inch monitor
External power adapter
Monitor base
HDMI cable
User manual (QR code)
Legal and regulatory information
Why Choose the B221B
The 144 Hz refresh rate smooths scrolling and video playback compared with 60 Hz office panels.
Dual DisplayPort and HDMI inputs let technicians connect a dock and a desktop without swapping cables.
An 85% NTSC gamut covers more colour than entry TN panels, which helps with image review and presentations.
2.1 mm top and side borders reduce visual gaps in dual-screen or video-wall deployments.
Low 19 W typical draw suits large rollouts where power budgeting matters.
A 100 x 100 mm VESA pattern and 2.9 kg chassis simplify wall mounting and arm installation.
Lydia Auma (verified owner) –
Ordered for our CCTV control room and it arrived well packed with the HDMI cable and adapter in the box. The metal base feels sturdier than the plastic stands on our older monitors. Viewing angles hold up when operators glance at the screen from the side.
Samuel Kiprono (verified owner) –
Good panel for the money, colours are decent for office work and light photo editing. Only thing is the built-in speakers are absent, you need your own audio through the 3.5mm out. Otherwise no complaints.
Mercy Nekesa (verified owner) –
Set up two of these on our reception desk in Westlands. The 144Hz makes scrolling through spreadsheets feel smooth, and the narrow bezels look neat side by side. DisplayPort carried the full refresh without fuss.