HDMI 2x1 Multi-Viewer Switch Seamless Switcher w/ PIP Function Support HDMI 1.3a Full HD 1080P IR Remote Control Scaler UP/Down 4 Picture Mode 2 Input 1 Output - Walmart.com
Amazon.com: Iseebiz 4K 4 in 1 Out HDMI Multi-Viewer, 4K@30Hz 2K@60Hz HDMI Screen Splitter with Sound Switch 4 Modes, Seamless Switch for Engineer, Exhibition Hall, Video Meeting, Surveillance, Display Mall etc. :
4K HDMI 4×1 Quad Multi-viewer
NTI splitmux-4k6gb-4lc Low-Cost 4K 6.75Gbps HDMI Quad Screen Splitter/ Multiviewer - Pro AV Warehouse
4x1 4K60 UHD Quad/PiP/PoP Multiviewer Seamless Video Switcher | A-NeuVideo, Inc.
Amazon.com: Optimal Shop 4X1 HDMI Multi-viewer HDMI Quad Screen Real Time Multiviewer with HDMI Seamless Switcher Function Full 1080P and 3D : Electronics
SPLITMUX-4K18GB-4 - 4K 18Gbps HDMI Multiviewer
Ultra HD 4K Multi-Viewer 2x1 HDMI Seamless Video Switch(UHD-201MV)
Vanco EVSW21MV Evolution 2×1 HDMI Switch with Multiview and PIP