The BZBGEAR BG-UHD-MVS21A is an amazing 4K@60 2x1 multiviewer and seamless UHD video switcher. It lets you display multiple video sources at 4K resolution on just one screen. Combine two video signals, manage each input, create input combinations, and adjust their display positions easily. Besides quick switching between 2 sources, it can show two video inputs in Picture-in-Picture (PIP) or Picture-by-Picture (PBP) mode. In PIP mode, one video input shows as a small window on top of the other that takes up most of the screen. In PBP mode, the two inputs are side - by - side, sharing the screen space equally or partially. This device supports a wide range of input resolutions up to 3840x2160@60hz. It can also extract audio from any source in various formats for your external audio system, like LPCM, AC3, DD+, DTS, DTS - HD. You can control the volume of LPCM audio. There are multiple control options available, including front - panel buttons, an IR remote, or RS - 232 commands. You can also control EDID through the RS - 232 interface. The package includes a 4K60 2X1 multiviewer, an IR remote, a 3pin - 3.81mm Phoenix Connector, a 38KHz IR Wideband Receiver Cable, mounting ears, machine screws, a 12V/1A locking power adapter, and a user manual. It complies with HDMI 2.0b and HDCP 2.2 / 1.x, has a video bandwidth of 18Gbps, and supports various video resolutions, color depths, and color spaces. It comes with ESD protection and has different connection ports. It has a metal enclosure, is black in color, and has specific dimensions and weight. The power supply is suitable for different regions and is certified. It has low power consumption and can work in a wide range of temperatures and humidity levels.

Using the BZBGEAR BG - UHD - MVS21A is quite easy. First, connect your video sources to the 2 HDMI input ports. Then, connect the HDMI output port to your display. You can use the front - panel buttons, the IR remote, or send RS - 232 commands to control the device. To adjust the audio, use the volume control for LPCM format. If you want to use Picture - in - Picture or Picture - by - Picture mode, just select the appropriate option through the control methods. When using it, make sure the power supply is within the specified range of AC 100 - 240V 50/60Hz. Keep the device in a place where the temperature is between 32°F - 104°F (0°C - 40°C) and the relative humidity is 20 - 90% RH (no - condensing). For maintenance, clean the device with a soft, dry cloth. Avoid using abrasive materials. If there are any issues, refer to the user manual. Also, don't expose the device to strong impacts or vibrations as it may damage the internal components.