Philips 221V8LB 22 inch Class Thin Full HD (1920 x 1080) Monitor, 100Hz Refresh Rate, VESA, HDMI x1, VGA x1, LowBlue Mode, Adaptive Sync, 4 Year Advance Replacement Warranty

Also note that you can get an actual 20" external monitor for the laptop for $70.https://www.amazon.com/dp/B0CVM2GJCN I have one as part of my setup. I use it for scopes, but you could use it for anything.