InnoView Portable Monitor Touchscreen, 15.6'' 4k Monitor 3840x2160 100% Adobe 10 Point Touch Monitor USB C HDMI Ultra Slim Eye-Care Laptop Screen Extender for Mac Switch Xbox Tablet PC Phone

I got one of these off Aliexpress. I am happy with the resolution and contrast but the black is a bit washed out compared to my SP7 side by side. I will post some pics later. * Arealer 4K Portable Monitor 15.6'' Touch Screen LED Monitor IPS Expansion Screen 3840×2160 Doesn't look like they are available any more but there are [similar ones](https://www.aliexpress.com/wholesale?catId=0&initiative_id=SB_20220216003331&SearchText=battery+4K+Portable+Monitor+15.6%27%27+Touch+Screen+). \[edit\] Not sure the pics help but here they are. [imgur](https://imgur.com/a/jnHvK1Z). I used an iPhone XS for the pics.