Zigen SW-42Plus HDMI 2.0 18-GBPS 4x2 Switch With Scaling and HDR Support 155093008025 which means there may be

which means there may be additional

AA4HA281D Model Number HD-50

Manufacturer Turck Model Number WKC 578-0

channel 2 does not seem to work and several lines look like they have been repaired they have black shrink tubing in spots

Zigen SW-42Plus HDMI 2.0 18-GBPS 4x2 Switch With Scaling and HDR Support 155093008025 which means there may beCondition Used Description This Switch has been tested working. The unit has wear from previous use including scuffs and scratches. Includes only the Switch, No power supply or additional accessories. Quantity listing with reference photo, you may not receive the actual item pictured. Inventory is on hand and ready to ship. Please feel free to message us any questions you may have. Thank you for checking out our listing. Specifics Manufacturer Zigen