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.
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22-Inch Portable TV on Wheels, 1080p Portable Touch Screen Monitor, Android12, Full Swivel Rotation, Built-in Battery
Aliexpress UK
Resolution -1680 x 1050 @60Hz See photographs for more specifications.
eBay
Cdisplay 22 inch Touch Portable Monitor 2k 1440P 100%sRGB QHD Computer External Screen for Laptop Phone Mac Pc displays Extender
Aliexpress UK
The ProLite T2235MSC-B1 is equipped with a variety of video inputs including DisplayPort, HDMI Standard, and VGA D-Sub, catering to your multiple connectivity needs. With a sleek widescreen format, touchscreen functionality, and the option to wall mount, this monitor is designed to provide both convenience and flexibility for any setting.
eBay
22 Inch Car Roof Monitor 1080P Flip Screen Top Multimedia Video Ceiling Roof Mounted Display With 16-color Ambient Light HDMI FM
Aliexpress UK
【Smooth Performance】Adaptive Sync and a 100Hz refresh rate ensure consistently smooth, tear-free, and fluid visuals, perfect for gaming and video playback.
eBay
22 Inch Car Roof Monitor 1080P Flip Screen Top Multimedia Video Ceiling Roof Mounted Display With 16-color Ambient Light HDMI FM
Aliexpress UK
GENERIC VGA TFT MONITOR. GREAT TFT MONITORS AT A GREAT PRICE. 1X Monitor Of Any Style. 1X Monitor Stand Of Any Style. Screen Size - Select from Dropdown box. Screen Connections - VGA. 1X Power Cable. 1X VGA Cable.
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NB G40 G45 Gas Spring Arm 22-40 inch Curved Arc Screen Desktop Monitor Holder 360 Rotate 3-15kgs Monitor Mount Arm with USB 3.0
Aliexpress UK
Series E2212F. Item model number E2212F. Resolution FHD FHD FHD FHD FHD FHD UHD. 【Smooth Performance】Adaptive Sync and a 100Hz refresh rate ensure consistently smooth, tear-free, and fluid visuals, perfect for gaming and video playback.
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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
Install Options: Computer Screen Privacy Protector has two installation options - install in minutes. Secure the rubber strip. Removable sliding mounting label (only for computer screens with raised bezels).
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HUION Kamvas 22 Graphic Pen Tablet Monitor Pen Display 21.5 Inch Anti-glare Screen 120%s RGB Windows Mac And Android Device
Aliexpress UK
Interfaces:The TV has 1 HDMI port, 1 VGA port, 1 AV input port, 1 USB input port, 1 headphone port, and a variety of ports that allow you to plug in more devices on this TV.
eBay
Computer Privacy Screen Filter 20 21.5 22 23.8 24 27 Inch for 16:9 Widescreen Monitor Removable PC Anti-spy-peep Protector Film
Aliexpress UK