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

The Dahua B221B 24.5-inch FHD commercial monitor is engineered for smooth performance, accurate color reproduction, and professional-grade visual clarity. Featuring a high-speed 144 Hz refresh rate, IPS panel technology, and ultra-fast 1 ms response time, this monitor is well suited for fast-moving visuals, creative work, and extended daily use. Its wide color gamut, low blue light technology, and sleek frameless design make it an excellent choice for offices, control rooms, and professional multimedia environments.

Product Features

Ultra-Smooth 144 Hz Refresh Rate

The high 144 Hz refresh rate significantly improves motion clarity, delivering smooth visuals with reduced motion blur for video playback, monitoring applications, and dynamic content.

IPS Panel with Wide Viewing Angles

IPS panel technology ensures consistent brightness and accurate color reproduction across wide 178-degree horizontal and vertical viewing angles.

Wide Color Gamut for Vivid Images

With 85% NTSC color coverage, the monitor delivers rich and detailed color performance suitable for design-oriented tasks and visual content review.

Fast 1 ms Response Time

The 1 ms MPRT response time minimizes ghosting and motion blur, ensuring sharp visuals even during fast scene transitions.

Eye Comfort with Low Blue Light

Integrated low blue light technology helps reduce eye strain, supporting comfortable viewing during long working hours.

Slim Commercial Design

The near-frameless design with a high screen-to-body ratio enhances immersion and supports multi-monitor setups in professional environments.

Product Specifications

• Model: DHI-LM25-B221B
• Screen Size: 24.5 inch
• LCD Technology: IPS
• Backlight: ELED
• Aspect Ratio: 16:9
• Resolution: 1920 × 1080 (Full HD)
• Refresh Rate: 144 Hz
• Display Color: 16.7 million
• Color Gamut: 85% NTSC (typical)
• Brightness: 300 cd/m² (typical)
• Contrast Ratio: 1500:1
• Response Time: 1 ms MPRT
• Viewing Angle: 178° horizontal / 178° vertical
• Screen-to-Body Ratio: ≥90%
• Pixel Pitch: 0.2832 mm × 0.2802 mm
• Pixels Per Inch: 89.91
• Surface Treatment: Haze 25%, 3H
• Input Ports: 1 × DisplayPort 1.4, 1 × HDMI 2.0
• Output Port: 1 × Audio out
• Power Supply: 12 VDC, 2.5 A
• Power Consumption: 18 W basic, 19 W typical, 23.8 W maximum
• Standby Power Consumption: <0.5 W
• Tilt Angle: -5° ± 2° to 20° ± 2°
• VESA Mount: 100 mm × 100 mm
• Product Dimensions: 557.7 mm × 330.6 mm × 58.1 mm (without wall mount)
• Net Weight: 2.9 kg
• Gross Weight: 3.9 kg
• Operating Temperature: 0 °C to +40 °C
• Operating Humidity: 10% to 85% RH
• Certifications: CE EMC, CE LVD, CE ERP