Dahua B221B 24.5″ FHD Monitor, 1920×1080 (DHI-LM25-B221B)

The Dahua B221B 24.5-inch FHD monitor (DHI-LM25-B221B) is a high-performance display built for smooth visuals, accurate color reproduction, and responsive performance. Featuring a 144Hz refresh rate, 1ms response time, and IPS panel technology, this monitor is ideal for fast-paced tasks such as gaming, video editing, and professional workflows. With a wide color gamut, ultra-wide viewing angles, and eye comfort features, it delivers a balanced experience for both productivity and entertainment.

Product Features

Ultra-Smooth 144Hz Refresh Rate

The 144Hz refresh rate provides noticeably smoother motion and improved responsiveness, making it ideal for gaming, video playback, and high-performance tasks.

Fast 1ms Response Time

With a 1ms MPRT response time, the monitor minimizes motion blur and ghosting, ensuring sharp and clear visuals during fast-moving scenes.

IPS Panel for Accurate Colors

IPS technology ensures consistent and accurate color reproduction across wide viewing angles, making it suitable for creative work and collaborative environments.

Wide Color Gamut for Enhanced Visuals

With 85% NTSC color coverage, the monitor delivers rich and vibrant colors that enhance image quality for both work and entertainment.

Full HD Resolution Clarity

The 1920×1080 resolution provides clear and detailed visuals for everyday computing, multimedia use, and professional applications.

Eye Comfort with Low Blue Light

Low blue light technology helps reduce eye strain, enabling comfortable viewing during extended periods of use.

Modern Slim Bezel Design

The ultra-narrow bezel design enhances immersion and supports seamless multi-monitor setups.

Flexible Connectivity Options

Equipped with HDMI and DisplayPort inputs, the monitor supports high refresh rates and easy connectivity with modern devices.

Product Specifications

• Model: DHI-LM25-B221B
• Screen Size: 24.5 inches
• Panel Type: IPS
• Backlight: ELED
• Aspect Ratio: 16:9
• Resolution: 1920 × 1080 (Full HD)
• Refresh Rate: 144 Hz
• Brightness: 300 cd/m² (typical)
• Contrast Ratio: 1500:1
• Response Time: 1 ms (MPRT)
• Viewing Angle: 178° horizontal, 178° vertical
• Display Colors: 16.7 million
• Color Gamut: 85% NTSC (typical)
• Pixel Pitch: 0.2832 mm × 0.2802 mm
• Pixels Per Inch: 89.91
• Viewing Area: 543.744 mm × 302.616 mm
• Screen-to-Body Ratio: ≥ 90%
• Surface Treatment: Haze 25%, 3H
• Input Ports: 1 × DisplayPort 1.4, 1 × HDMI 2.0
• Output Ports: 1 × audio out
• Power Supply: 12 V DC, 2.5 A
• Power Type: External power adapter
• Power Consumption: 18 W (basic), 19 W (typical), 23.8 W (maximum)
• Standby Power 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 Angle: -5° ±2° to 20° ±2°
• VESA Mount: 100 × 100 mm
• Dimensions (without mount): 557.7 × 330.6 × 58.1 mm
• Package Dimensions: 620 × 431 × 134 mm
• Net Weight: 2.9 kg
• Gross Weight: 3.9 kg
• Bezel Width: 2.1 mm (top/left/right), 19.6 mm (bottom)
• Casing Color: Black
• Control Method: Five-button control
• Status Indicator: Yes
• Accessories: Power adapter, base, HDMI cable, user manual (QR code), legal and regulatory information
• Optional Accessories: Wall mount
• Certifications: CE EMC, CE LVD, CE ERP