Amazon.com: HDMI 2x1 Multi-Viewer with PIP,Supports Two High Definition Input Source Display on one Screen. As a Multi-Viewer, it can Display on one Screen in 4 Modes : Electronics
A-Neuvideo 2x1 HDMI Multi-Viewer with PIP ANI-PIP-LITE B&H Photo
Amazon.com: 4K HDMI Switch with PIP (Picture in Picture Under 1080P Resolution) 4 in 1 Out HDMI Switcher Selector Box 4 Ports with IR Remote Control Detachable Bracket : Electronics
HDMI Switch 4×1 with PIP Auto Switch Off/On Support HDCP Full HD 4K 3D | Tendak
Zettaguard 4K x 2K 3 Port 3 x 1 HDMI Switch with PIP(Picture in Picture) and IR Wireless Remote Control, HDMI Splitter Switcher Hub Port Switches (ZW310) - Walmart.com
Vanco International | Evolution 2x1 HDMI® Switch with Multiview and PIP
HDMI Switch 4×1 with PIP Auto Switch Off/On Support HDCP Full HD 4K 3D | Tendak