ViewSonic 27' TD2760 10-point Touch Screen, RS232 Serial Port, Advance Ergonomic

SuperClear® technology
Advanced Ergonomic Stand for Optimal Touch Experience
A flexible ergonomic stand makes it easy to adjust this touch monitor for optimal comfort and viewing. Simply tilt, raise, and lower the monitor for the most natural position, or lay it completely flat to create a comfortable working environment.
Tilt, Raise, Lay flat
HDMI, DisplayPort and VGA inputs
50M:1 dynamic contrast ratio
Supports Windows® 7/8/10/11 and selected Linux, Chrome, and Android

Display Size (in.): 27
Viewable Area (in.): 27
Panel Type: VA Technology
Resolution: 1920 x 1080
Resolution Type: FHD (Full HD)
Static Contrast Ratio: 3,000:1 (typ)
Dynamic Contrast Ratio: 50M:1
Light Source: LED
Brightness: 250 cd/m² (typ)
Colors: 16.7M
Color Space Support: 8 bit (6 bit + Hi-FRC)
Aspect Ratio: 16:9
Response Time (Typical GTG): 6ms
Response Time (GTG w/OD): 6ms
Response Time (Typical Tr+Tf): 12ms
Viewing Angles: 178º horizontal, 178º vertical
Backlight Life (Hours): 30000 Hrs (Min)
Curvature: Flat
Refresh Rate (Hz): 60
Blue Light Filter: Yes
Flicker-Free: Yes
Color Gamut: NTSC: 72% size (Typ)
sRGB: 102% size (Typ)
Pixel Size: 0.311 mm (H) x 0.311 mm (V)
Touch Screen: Projected Capacitive, 10-point multi-touch
Surface Treatment: Anti-Glare, Hard Coating (≧6H)
Cover Glass Thickness: 1.88mm

Compatibility
PC Resolution (max): 1920x1080
Mac® Resolution (max): 1920x1080
PC Operating System: Windows 7/8/8.1/10/11 certified; macOS tested
Mac® Resolution (min): 1920x1080

Connector
VGA: 1
USB 3.2 Type A Down Stream: 2
USB 3.2 Type B Up Stream: 1
3.5mm Audio In: 1
3.5mm Audio Out: 1
HDMI 1.4: 1
DisplayPort: 1
Power in: 3-pin Socket (IEC C14 / CEE22)
RS232 In: 1

Audio
Internal Speakers: 2Watts x2