HDMI Multiviewer Switch 4x1,AUBEAMTO Quad Seamless Switcher 4 in 1 Out with IR Remote Control, Support 4K Full HD and 5 Display Modes for Security Camera, Gaming Consoles Audio/Video Switch - Newegg.com
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
NTI SPLITMUX-HD-2RSLC Low-Cost HDMI Dual Screen Splitter/Multiviewer
HDMI Multiviewer Quad Screen with real time viewing and seamless switching
4x1 HDMI 4 Channel Quad Multi-Viewer Seamless Switch Switcher Split Screen HD IR | eBay
Amazon.com: Optimal Shop 4X1 HDMI Multi-viewer HDMI Quad Screen Real Time Multiviewer with HDMI Seamless Switcher Function Full 1080P and 3D : Electronics