https://www.asus.com/Monitors/VT229H/specifications/
21.5” Full HD with 10-point multi-touch capacity, suitable for any application that involves virtual keyboard or multi-touch
IPS technology with stunningly wide 178° viewing angles
Windows 10 compliance
Its frameless design makes it perfect for almost-seamless multi-display setups
ASUS Eye Care monitors feature TÜV Rheinland-certified Flicker-free and Low Blue Light technologies to ensure a comfortable viewing experience

Display
Panel Size: Wide Screen 21.5"(54.6cm) 16:9
Panel Type : IPS
True Resolution : 1920x1080
Display Viewing Area(HxV) : 476.64 x 268.11 mm
Full HD 1080P : Yes
Display SurfaceGlare, 7H Hardness
Pixel Pitch : 0.2482 mm
Brightness(Max) : 250 cd/?
Contrast Ratio (Max) : 1000:1
ASUS Smart Contrast Ratio (ASCR) : 100000000:1 
Viewing Angle (CR?10) : 178°(H)/178°(V)
Response Time : 5ms (Gray to Gray)
Display Colors : 16.7M
Flicker free 
Touch Screen : Yes, Capacitive 10-point multi-touch
Touch Glass Thickness: 1.1 mm
Video Feature
Trace Free Technology : Yes
SPLENDID Video Preset Modes : 8 Modes (sRGB Mode/Scenery Mode/Theater Mode/Standard Mode/Night View Mode/Game Mode/Reading Mode/Darkroom Mode)
Skin-Tone Selection : 3 Modes
Color Temperature Selection : 4 Modes
QuickFit (modes) : Yes (Alignment Grid/Photo Modes)
Low Blue Light : Yes
HDCP support : Yes
VividPixel : Yes
Audio Features
Stereo Speakers : 1.5W x 2 Stereo RMS
I/O Ports
Signal Input : HDMI, D-Sub
PC Audio Input : 3.5mm Mini-Jack 
USB Port(s) : 2.0x1, *1
Signal Frequency
Analog Signal Frequency : 30~83 KHz(H)/ 50~75 Hz(V)
Digital Signal Frequency : 30 ~83 KHz (H) /50 ~75 Hz(V)
Power Consumption
Power On :