Picture/Display LCD panel type: TFT-LCD Backlight type: W-LED system Panel Size: 21.5 inch/54.6 cm Effective viewing area: 476.64 (H) x 268.11 (V) Aspect ratio: 16:9 Optimum resolution: 1920 x 1080 @ 60 Hz Response time (typical): 5 ms Brightness: 250 cd/m2 SmartContrast: 10,000,000:1 Contrast ratio (typical): 1000:1 Pixel pitch: 0.248 x 0.248 mm Viewing angle: 170º (H)/160º (V), @ C/R ] 10 Display colours: 16.7 M Scanning Frequency: 30-83 kHz (H) / 56-76 Hz (V) sRGB: Yes Connectivity Signal Input: VGA (Analogue), DVI-D (digital, HDCP) Sync Input: Separate Sync, Sync on Green Convenience User convenience: Auto/Down, 4:3 Wide/Up, Brightness/Back, Menu/OK, Power On/Off OSD Languages: Brazil Portuguese, Czech, Dutch, English, Finnish, French, German, Greek, Hungarian, Italian, Japanese, Korean, Polish, Portuguese, Russian, Simplified Chinese, Spanish, Swedish, Traditional Chinese, Turkish, Ukrainian Other convenience: Kensington lock, VESA mount (100 x 100 mm) Plug and Play Compatibility: DDC/CI, Mac OS X, sRGB, Windows 7, Windows 8 Stand Tilt: -5/20 degree Power On mode: 15.64 W (typ.) (EnergyStar 6.0 test method) Standby mode: 0.5 W Off mode: 0.5 W Power LED indicator: Operation - White, Standby mode - White (flashing) Power supply: Built-in, 100-240 VAC, 50-60 Hz Dimensions Product with stand (mm): 503 x 376 x 213 mm Product without stand (mm): 503 x 316 x 50 mm Packaging in mm (W x H x D): 555 x 414 x 107 mm Weight Product with stand (kg): 2.61 kg Product without stand (kg): 2.35 kg Product with packaging (kg): 3.87 kg Operating conditions Temperature range (operation): 0oC to 40oC oC Temperature range (storage): -20oC to 60oC oC Relative humidity: 20–80% % Altitude: Operation: +12,000 ft (3658 m), Non-operation: +40,000 ft (12,192 m) MTBF: 30,000 hour(s) Sustainability Environmental and energy: EnergyStar 6.0, EPEAT Silver, RoHS, Lead-free, Mercury Free Recyclable packaging material: 100 % Compliance and standards Regulatory Approvals: BSMI, CE Ma