Anything from 22" and larger will be fine. For sale are these fully functional, refurbished LCD flatscreen monitors. Available in 15", 17", 19", 20", 22", 23", 24" sizes and supplied with an HDMI adapter.
eBay
Lace Fabric Computer Frame Cover Monitor Screen Dust Cover With Elastic Pen Pocket Bow Home Decorations
Aliexpress UK
Automatic sleep function reducing energy costs and conserving energy. 【Very extensive use 】: This small portable monitor provides a rich set of video input options - including 1x HDMI port for Raspberry Pi, DSLR, PC or other devices with HDMI port use.
eBay
NB G40 22-40 inch Monitor Screen Desktop mount gas spring arm computer Holder 360 Rotate 3-15kgs with USB 3.0 Port clamp grommet
Aliexpress UK
LCD LED TV PC Monitor Tablet Cleaner Screen Cleaning Kit Liquid Microfiber Cloth. The micro fibre cloth catches dirt so the panel will not be scratched. A complete safe cleaning for a maximum definition and brightness of the LCD screen.
eBay
Ips 24inch/27inch ultra HD 4k Monitor HDR400 60Hz gaming monitor screen monitor pc with adjustable stand viewsonic VG2481-4K
Aliexpress UK
You can connect CVBS security device by BNC port, this monitor is a good choice for your CCTV monitoring system. HDMI support format: 480i (60Hz), 480p (60Hz), 576i (50Hz), 576p (50Hz), 720p (50 / 60Hz).
eBay
USB PC LED Strip Lights 24-34 Inch Computer RGBIC APP Music Sync Monitor Screen LED Backlight for Gaming Room Atmosphere Decor
Aliexpress UK
GENERIC VGA TFT MONITOR. GREAT TFT MONITORS AT A GREAT PRICE. Screen Connections - VGA. Connectivity - VGA. 1X VGA Cable. Screen Size - Select from Dropdown box. 1X Monitor Of Any Style. 1X Monitor Stand Of Any Style.
eBay
TouchWo 21.5 23.8 27 Inch Touch Screen Monitor Pc Touchscreen Monitor Industrial Android Window 10 All In One Pc For Commercial
Aliexpress UK
The monitor supports multiple video inputs including AV, USB, BNC, VGA, and HDMI standard, with a maximum resolution of 1024 x 600.
eBay
5K Monitor 34 inch 21:9 Ultra Wide LG IPS HD Desktop PC Dual Screen Type-c Gaming Monitor
Aliexpress UK
Tilt the screen up to 15° forward or 15° backward to find your best viewing position. Screen size. Image contrast ratio.
eBay
27 Inch VA 165hz Monitors Gamer 1MS 2K QHD 144hz Gaming Monitors PC LCD Curved Screen Monitor for Desktop Displays HDMI DP
Aliexpress UK
1 X VGA Port. Dual Monitor Screen Setup. 1 X DVI Port (DVI to HDMI Adapter included). 1 X VGA CABLE. 1 X DVI to HDMI ADAPTER INCLUDED. 1 X HDMI CABLE. Strong steel double arm desk mount - mounts two screens side by side to conveniently free up desk space.
eBay
TouchWo 21.5 27 32 Inch Hdmi Touch Screen Pc Touchscreen Monitor Android11/Window 10 Tablet Industrial All In One Pc With Wifi
Aliexpress UK