Amazon.com: DotStone HDMI Switch 4×1 with PIP Auto Switch Off/On HDMI Switcher Hub Port Switches 4 in 1 Out HDMI Switcher Selector with Remote Controller Support HDCP1.4 Full HD 4K 3D 1080P :
HDMI Quad Screen Multiviewer with seamless switching PIP/POP Scaler and Graphic Insert overlay Feature TCP/IP and WebGUI Control
Amazon.com: DotStone HDMI Switch 4×1 with PIP Auto Switch Off/On HDMI Switcher Hub Port Switches 4 in 1 Out HDMI Switcher Selector with Remote Controller Support HDCP1.4 Full HD 4K 3D 1080P :
4K 2 Ports HDMI Switch with PIP, PBP, Scaler, Audio, SPDIF, and IR/ Serial/ OSD Control, VKSCM-201
4k X 2k 4 Port Hdmi Switch 4x1 With Picture-in-picture (pip) Feature And Ir Wireless Remote Control - Audio & Video Cables - AliExpress
4x1 HDMI Switch 4K@30Hz, PiP, IR Remote Control, Auto-Switch, Control4 - J-Tech Digital
Blackweb BWB17AV004E 4k 4-Port HDMI Switch with Pip and IR Wireless Remote Control | Ematic Online Store
Vanco EVSW21MV Evolution 2×1 HDMI Switch with Multiview and PIP