Check the listing for details. J-Tech JTECH-MV41 Digital HDMI 4x1 Multi-viewer Seamless Switch Function Mint. Condition: Used, Made in China. Listed at 38.83 USD. The J-Tech JTECH-MV41 Digital HDMI 4x1 Multi-viewer Seamless Switch Function is a high-quality device that allows you to easily display multiple video sources on a single screen. With HDMI, Composite Video RCA, and S-Video outputs, you can enjoy a versatile range of connectivity options. This HD Digital model from J-Tech Digital is perfect for home entertainment or professional use. The device's seamless switch function ensures that there is no lag or interruption when switching between video sources, providing a smooth viewing experience. Whether you want to watch multiple TVs shows or movies simultaneously, or switch between different gaming consoles without any hassle, the J-Tech JTECH-MV41 is the perfect solution.