How to Use 3 Multiple Screens On Your Laptop or PC
SPLITMUX-HD-2RSLC - Low-Cost 2 to 1 HDMI Dual Screen Splitter/Multiviewer with IR & RS232
Amazon.com: YMY USB C to Dual HDMI Adapter, 4 in 1 USB Type C Hub with 2 HDMI/USB3.0 /PD Charging, Dual Screen Display USB-C Docking Station for Windows, MacOS : Electronics
USB 3.0 to Dual HDMI Adapter - 1x 4K 60Hz & 1x 1080p - External Video & Graphics Card - USB Type-C to HDMI Dual Monitor Display Adapter - Walmart.com
Dual Screen Splitter Multiviewer HDMI Simultaneous Single Screen
2 Port Dual Monitor KVM Switch HDMI 4K60Hz with USB Hub TESmart
HDMI 2x1 Dual Multiviewer/ Dual Screen Splitter mit PiP (SPLITMUX-HD-2RSLC)
Amazon.com: avedio links HDMI Splitter 1 in 2 Out, 4K HDMI Splitter for Dual Monitors Duplicate/Mirror Only, 1x2 HDMI Splitter 1 to 2 Amplifier for Full HD 1080P 3D with 4ft HDMI
NTI Introduces a Low-Cost HDMI Dual Screen Splitter/Multiviewer
USB-C® to Dual HDMI™ Multi-Monitor Adapter – j5create
Amazon.com: USB C to Dual HDMI Adapter 4K - Dual HDMI Adapter for 2 Monitors, Type-C to HDMI Splitter Multiport USB-C Hub for MacBook Pro/Air, Surface Pro, Thinkpad, ChromeBook, iPad Pro, Laptop,
Amazon.com: HDMI Splitter 4K, 1x2 HDMI Display Duplicate/Mirror, WARRKY HDMI Splitter 1 in 2 Out [Metal Shell, 3.3 Ft Braided HDMI Cable, LED Indicators], USB-C Powered Splitter, 1 Source to 2 Identical
Amazon.com: USB C to Dual HDMI Adapter, Multi Display Docking Station Dual Monitor with 2 HDMI, Displayport, VGA, 100W PD, 3 USB Ports, USB C Hub Multiport Dongle Compatible with MacBook/Dell/HP/Lenovo Laptops :
Amazon.com: HDMI Splitter 1 In 2 Out, 4K@30Hz HDMI Splitter for Dual Monitors, Aluminum Powered HDMI Spliter for Mirror Screen,1x2 HDMI Duplicator Support 3D HD 1080P for Fire Stick Xbox PS Roku
Can I use an HDMI splitter to extend, not duplicate, my laptop screen across two monitors? - Quora