Amazon.com: HDMI Switch 4 in 1 Out 4K HDMI Switches with PIP (Picture in Picture Under 1080P Resolution) 3D 4 Ports HDMI Switcher Selector Box with IR Remote Control Detachable Bracket : Electronics
4K 2 Ports HDMI Switch with PIP, PBP, Scaler, Audio, SPDIF, and IR/ Serial/ OSD Control, VKSCM-201
HDMI PIP Switch with Picture-in-Picture, WolfPack
HDMI Multiviewer 2x1 1080P 60Hz PIP POP 4 display modes-BUNGPUNG