Cheapest price I've seen for a 4K touchscreen portable monitor with an one-year warranty. It has 2 USB type C ports and HDMI port, easily connect with many devices.
15.6'' 4K Ultra HD Portable Touch Monitor
3840x2160 High Resolution 4K IPS Display
Mini HDMI Port, 2 USB Type-C 3.1 Ports
Connect to Smart phone, Laptop, PC, TV-box, PS4/3, X-box, Switch, CCTV, Camera, Raspberry Pi
Ultra thin design, light weight 893g, Aluminum metal body
Includes Type-C x2 Cables , Hdmi to Mini Hdmi Cable, Power Adapter, Smart Case, Manual