The maximum height of the mount is 450mm, the arms are adjustable so you can chose the height your monitors sit. +15° to -15° tilt. The monitor mounting plates will fit most TV's and monitors from 13" to 27".
eBay
Adjustable TV Screen Top Shelf Display Shelf Computer Monitor Riser Desktop Stand TV Rack TV Top Monitors Simple Bracket
Aliexpress UK
Dual USB Port: There are 2 USB interfaces. One micro-USB is on the side of the product, and a 4Pin 2.54 row pin USB interface is behind the product. I just need a USB data cable to use. It Support horizontal and vertical screen switching, 360 degree rotation, and is compatible with multiple systems.
eBay
XPPen Artist 12 Pro 11.6 Inches Graphics Tablet Drawing Tablet Monitor Display Animation Digital Art with Tilt 8192 Pressure
Aliexpress UK
Dual Monitor HDMI KVM Switch 2x2 USB3.0 4K 60Hz 2 Monitors 2 Computer for laptop. supports up to 4K@60Hz,1080@144Hz resolution, also supports 1080P@120Hz or lower resolution makes the image display more delicate and realistic.
eBay
HILLPORT G9 Monitor Arm Bracket For 17"-49" 2-20kg (4.4-44 lbs) Screen Desk Table Mount Stand Display Support 360° Adjustment M9
Aliexpress UK
One-line direct connection: No need to install drivers, two displays can be connected with only one Type-C data cable. Rotatable bracket, angle can be adjusted. The screen can be rotated at multiple angles, left: 0-210°, right: 0-210°.
eBay
Macintosh 9.7-inch 2K monitor only display function computer game console secondary screen Raspberry Pi external
Aliexpress UK
This USB-C monitor is for video watching, data transfer and power delivery. The integrated 5MP webcam delivers sharp images, and noise cancelling mic let people hear you fine. Pop-up webcam for quick access and strong security.
eBay
Monitor Arm Screen Desk Table Mount Stand Bracket For 13"-32" 2-9kg (4.4-19.8 lbs) Display Support 360° Free Adjustment
Aliexpress UK
The monitors feature built-in vectorscope, waveform, and video signal converters. Each has one 3G/HD/SD-SDI input and one HDMI input, with loop-through output for both. Built-in signal cross conversion allows each monitor to use one input for display and the other for conversion.
eBay
NB F80 Desktop Gas Spring 17-30" LCD LED Monitor Holder Mount Arm Full Motion Display Stand Loading 2-9 Kgs
Aliexpress UK
Dual USB Port: There are 2 USB interfaces. One micro-USB is on the side of the product, and a 4Pin 2.54 row pin USB interface is behind the product. I just need a USB data cable to use. It Support horizontal and vertical screen switching, 360 degree rotation, and is compatible with multiple systems.
eBay
XPPen Artist 13.3 Pro Graphics Tablet Drawing Monitor 13.3" Pen Display Animation Art with Tilt Battery-free Stylus 8192 Level
Aliexpress UK
Supports up to 4K@60Hz,1080@144Hz resolution, also supports 1080P@120Hz or lower resolution makes the image display more delicate and realistic. It enables 2-in/2-out free choice of simultaneous switching.
eBay
S500 Aluminum Gas Spring Arm 34-49 Inch Curved Arc Screen Monitor arm for Samsung Odyssey Neo G9/G7 Large Display Stand
Aliexpress UK