cheapest 20 inch monitor

UPERFECT 18.5" Touchscreen 120Hz Portable Monitor 1080P 1200:1 Gaming Display w/ Smart Cover VESA, USB C HDMI, Built-in Speakers For Laptop/PC/console

SideTrak Solo Pro 15.8" Freestanding Portable Monitor for Laptop - IPS Full HD 1920x1080 USB Anti-Glare LED Display with Kickstand- Black

Refurbished Acer KB2 Essential Monitor 23.8" 1920x1080 120Hz 1ms - KB242Y G0BI - Manufacturer Refurbished

SideTrak Slide 12.5" Attachable Portable Monitor for Laptop - IPS Full HD 1920x1080 USB Display - Silver

Deco Gear 49" Curved Ultrawide LED HDR400 144Hz VA Gaming Monitor

SideTrak Swivel Pro Touch | Touchscreen Ultra Slim Attachable Portable Monitor for Laptop

Refurbished AOPEN 16PM1Q - 15.6" Portable Monitor FullHD 1920x1080 60Hz IPS 4ms 250Nit HDMI - Manufacturer Refurbished

SideTrak Solo Essential 15.6'' Portable Monitor Extender, FHD LCD Laptop Dual Screen with Kickstand, Powered by USB or HDMI port

Refurbished Acer AOPEN 22CV1Q - 21.5" Monitor FullHD 1920x1080 100Hz 16:9 VA 1ms 250Nit HDMI VGA - Manufacturer Refurbished

Lifelong Portable Monitor 15.6" 1080P Model G70: High-Definition Display, IPS Panel

Refurbished Acer Fire Legend Widescreen Portable LCD Monitor 16PM1Q J - Manufacturer Refurbished

Lexar® Professional USB-C® Dual-Slot Reader

ViewSonic VA1653 16 Inch 1080p FHD IPS Portable Monitor with Eye Care, Built-in Stand, USB C, Mini HDMI, and Protective Case External Second Screen

Refurbished Acer 16PM1Q 15.6" Portable Monitor FullHD 1920x1080 IPS 60Hz 5ms 250Nit HDMI USB - Manufacturer Refurbished

HP Series 5 27 inch FHD White Monitor - 527sw 27" FHD (1920 x 1080) 48-100 Hz

Refurbished Acer 15.6" Portable Monitor Full HD 1920x1080 60Hz Black - PM161Q - Manufacturer Refurbished

Refurbished Acer Nitro 32" Class Gaming LCD Monitor 16:9 250 Nit 1 ms Speakers HDMI DisplayPort - Black - EDB323QU S3 - Manufacturer Refurbished

Refurbished: ViewSonic VA1653 16" FHD IPS Portable Monitor Built-in Stand - Manufacturer Refurbished

HP Series 5 27 inch FHD Monitor - 527sf 27" FHD (1920 x 1080) 48-100 Hz

Z-EDGE™ 27-In. 1080p 75-Hz Curved Monitor

Z-EDGE™ 24.5-In. 1080p 240-Hz Gaming Monitor

ViewSonic VA1655 15.6 Inch 1080p Portable IPS Monitor with Mobile Ergonomics, USB-C and Mini HDMI for Home and Office

ViewSonic VA2247-MH 22 Inch Full HD 1080p Monitor with Ultra-Thin Bezel, AMD FreeSync, 100 Hz, Eye Care, HDMI, VGA Inputs for Home and Office

HP Series 5 Pro 27 inch FHD Monitor - 527da 27" FHD (1920 x 1080) 48-100 Hz