Dahua LM27 B221S (27 inch 144Hz 1080P IPS)
Specification Details Model DHI-LM27-B221S Screen Size 27 inch LCD / Panel Technology IPS Backlight Type ELED Aspect Ratio 16:9 Resolution 1920 × 1080 (FHD) Refresh Rate 144 Hz Response Time 1 ms (MPRT) Viewing Angle 178° (H) / 178° (V) Display Color 16.7M colors Color Gamut 72% NTSC Brightness 250 cd/m² (typ.) Contrast Ratio 1200:1 Pixel Pitch 0.3114 mm × 0.3114 mm Pixels Per Inch (PPI) 81.59 Viewing Area 597.888 mm (H) × 336.312 mm (V) Screen-to-Body Ratio ≥90% Surface Treatment Haze 25%, 3H Eye Care Software Low Blue Light Protection Input Ports 1 × HDMI 2.0 (1920 × 1080@144 Hz), 1 × DP 1.4 (1920 × 1080@144 Hz) Output Ports 1 × Audio Out Integrated Speakers 2 × 1 W Power Supply 12 VDC, 3 A Power Consumption 21 W (basic), 27 W (typ.), 29 W (max) Standby Power <0.5 W Tilt Angle -5° to +15° Bezel Width Top/Left/Right: 1.9 mm, Bottom: 16.1 mm Product Dimensions (W × H × D) 614.1 mm × 363.0 mm × 45.1 mm (without wall mount) Package Dimensions (W × H × D) 694 mm × 458 mm × 114 mm Net Weight 3.84 kg (8.47 lb) Gross Weight 5.29 kg (11.57 lb) VESA Wall Mount 75 mm × 75 mm Operation Hours 7 × 16 H Lifespan 30,000 hrs Operating Temperature 0 °C to +40 °C (+32 °F to +104 °F) Operating Humidity 10%–85% RH Storage Temperature –20 °C to +60 °C (–4 °F to +140 °F) Storage Humidity 5%–90% RH Casing Color Black Control Method Five-button control Status Indicator Yes Included Accessories Power adapter, base, HDMI cable, user manual, legal/regulatory documentation Certifications CE EMC, CE LVD, CE ERP