https://www.geekom.co.uk/geekom-pm16-portable-monitor – Geekom 16 inch – £99

Touch UStation Max, 18,5″ zusammenklappbarer Dual 1080P 100Hz Portable Monitor | eBay UKTouch UStation Max, 18,5″ zusammenklappbarer Dual 1080P 100Hz Portable Monitor – £480

The UPerfect Delta Max touchscreen monitor offers so much potential, but I found it wasn’t quite as straightforward as it should have been in my tests

KPKUE 15.6″ Laptop Screen Extender Monitor, 1080P FHD IPS Dual Portable Monitor for Laptop, Compatible with 12″ -16″ Laptops, Plug and Play (Windows only) X90E : Amazon.co.uk: Computers & Accessories (amazon) – £229 or £329

I tested the KYY X90E laptop screen extender – a heavyweight dual-screen portable monitor with a lightweight price-tag

Cevaton Laptop Screen Extender – 15.6″ FHD 1080P Portable Monitor, Detachable & Plug and Play Dual Monitor Extender for 13″-17.3″ Laptops, Compatible with Wins/Mac/Android/Chrome : Amazon.co.uk: Computers & Accessories (amazon) – £129