Monitor

• Brand: AOC
• Model name: 22E1
• Type: LCD / LED Monitor
• Panel: 21.5" (VA)
• Pixel Pitch (mm): 0.2493 (H) × 0.241 (V)
• Brightness (typical): 250 cd/m²
• Contrast Ratio: 3000 : 1 (Typical) 20 Million : 1 (DCR)
• Response Time: 6.5ms (GtG(BW))
• Viewing Angle: 178° (H) / 178° (V) (CR > 10)
• Optimum Resolution: 1920 × 1080 @ 75Hz – HDMI 1920 × 1080 @ 60Hz – VGA
• Display Colors: 16.7 Million
• Signal Input; VGA × 1
• Speakers: no
• Warranty: 1 Year warranty

Brand : Acer
Model : E220Q
Screen Size : 21.5"
Resolution : 1920 x 1080
Contrast Ratio : 100000000:1 Max (ACM)
Backlight : LED
Viewing Angles : 178° Horizontal, 178° Vertical
Panel Type : VA (Vertical Alignment)
Dimensions : 577x128x372 mm
Ports & Connectors : HDMI, D-Sub/VGA
Weight : 3.35kg/2.4kg
Warranty : 1 Year warranty

Brand : Acer
Model : N238VA
Screen size : 23.8 inches
Refresh Rate : 75 Hz
Panel Type : IPS
Density : Full HD (1920×1080)
Ratio : ‎16:9
Response Time : 4 ms
Connection : 1x VGA, 1x HDMI
Weight : 4.0kg/2.89kg
Warranty : 1 year warranty

Brand : Acer
Series : E241Y
Screen size: 24 inches
Refresh Rate : 75 Hz
Panel Type : IPS
Density : Full HD (1920×1080)
Ratio : ‎16:9
Response Time : 4 ms
Connection :1x VGA, 1x HDMI
Weight : 4.0kg/2.89kg
Warranty : 1 year warranty

Model : Dahua DHI-LM19-A200
Screen Size : 19.5"
Panel type: TN
Resolution : 1600x900
Refresh Rate : 60Hz
Response time : 5ms
Backlight : LED
Power Supply: DC 12V ，2A
Ports & Connectors : VGA×1 ，HDMI×1
Weight : 2.5kg /3.4kg
Warranty : 1 Year warranty