Video Control Box for Bus with 4 Channel Splitter 128G1、Universal Application: Rearview camera control box is compatible with various vehicles, including school buses, buses, tank trucks, engineering vehicles, large trucks, boats, coaches, yachts, and more. 2、4 Channel Video Converter: Vehicle video splitter supports up to 4 channels of sound input and 1 sound output, providing you with options to choose the display mode. 3、Information Overlay Support: The 4 channel backup camera system supports overlay of license plate numbers, time, driving information, and other characters, providing more convenience for your use. 4、Advanced Protection: The video splitter features safe RCA head interface, DC12V 24V wide voltage input, overload protection, short circuit protection, and reverse connection protection. 5、Simple Operation: The video converter device offers easy on, off, and delayed functionalities, and enables automatic full screen display of left turn, right turn, and reverse camera views.