1x Monitor. Display Ratio:16:10. Display colors: 16.7M (6-bit)72% NTSC，SRGB100%. This link is a comprehensive one. The title will describe the functions available for all the models. Before placing the order, make sure to check the model you need carefully.
eBay
UPERFECT Delta 23.8" 100Hz Dual Portable Monitor 1080P Stacked Displays USB-C HDMI Triple Laptop Screen Extender for Laptop PC
Aliexpress UK
High Definition and HDR Image Processing: Enjoy clear 1080P resolution with no color distortion from any angle within a 178 degree range. Supports both landscape and portrait orientations. The PD protocol supports reverse charging via the USB interface, allowing you to connect a keyboard and mouse.
eBay
15.6 inch Portable Monitor FHD IPS Second Screen Type-C HDMI-Compatible For PC Laptop Mac Switch Xbox PS4/5 with Back Stand
Aliexpress UK
MPN: MB166C. ASUS ZenScreen MB166C. ZenScreen sleeve. 15.6" FHD (1920x1080) Portable Display. ASUS Eye Care monitors feature TÜV Rheinland-certified Flicker-free and Low Blue Light technologies to ensure a comfortable viewing experience.
eBay
15.6 inch Portable Monitor 1920x1080 120Hz for External Second Screen LCD Display for HDMI Type-C Xbox PS4 Switch Laptop Chioce
Aliexpress UK
High Definition and HDR Image Processing: Enjoy clear 1080P resolution with no color distortion from any angle within a 178 degree range. Supports both landscape and portrait orientations. Item Type: Portable Monitor.
eBay
UPERFECT OLED Portable Monitor 13.3" 4K 3840*2160 1MS USB-C HDMI Computer Gaming Display with 100% DCI-P3 For Laptop Windows Mac
Aliexpress UK
⭐[Stay Productive] Boost your productivity with the Yodoit portable monitor, which acts as a second screen and allows you to multitask efficiently. An adapter with an HDMI output port would be necessary for the Lightning port of iPhone.
eBay
LESOWN 8.9 Inch 1920×1200 IPS Small Portable Touchscreen Monitor HDMI Type C Display Laptop Screen Extender for Raspberry Pi PC
Aliexpress UK
Refresh rate: 100Hz. 1 18.5" Gaming Monitor. - Touch screen: No. - Display color:16.7M. - Back Cover: Yes. ✔Microsoft: Surface Laptop / Surface Laptop Go / Surface Laptop Studio / Surface Pro. Compatible Phone Models.
eBay
UPERFECT 16" 1200Nits Portable Monitor 4K 3840*2400 100% sRGB USB-C HDMI HDR Computer Screen with VESA Speaker External Display
Aliexpress UK
The HGFRTEE 11.6'' Portable Laptop Monitor is a sleek and convenient accessory for computers and laptops. With a crisp 768p display and built-in speakers, this monitor allows for easy viewing and listening to multimedia content on-the-go. Its compact size and black colour make it a stylish and practical choice for those who need an additional screen for work or entertainment purposes. Its portable design also means it can be easily transported and set up wherever it is needed.
eBay
11.6 Inch Portable Monitor HDMI-Compatible Laptop second screen Gaming Extended Display For Switch/Raspberry Pi/PS4/Xbox
Aliexpress UK
Screen Size. 16.7 Million. Screen Tear Prevention. Yes – 75 x 75mm. VESA Compatibility. Energy Certification. HDMI 1.4 x1. Port Interface.
eBay
UPERFECT 23.8'' Portable Monitor 4K UHD 3840 * 2160 100% sRGB IPS Speakers USB-C HDMI Gaming Computer Display for Laptop Desktop
Aliexpress UK