Features: 1.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 audio input and 1 audio output, providing you with options to choose the display mode. 3.Support Information Overlay: The camera video screen switch system allows for overlaying license plate numbers, time, driving information, and other characters. 4.Multi Protections: Video splitter operates on a DC12V wide voltage input and incorporates multiple protections, including 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. Specification: Item Type: 4 Channel Video Splitter_x000D_ Material: ABS + Metal_x000D_ Remote Control Battery: 1 button battery CR2025 3V (not included battery)_x000D_ Video Format: PAL/NTSC_x000D_ Resolution:_x000D_ 720 x 480 60Hz for NTSC_x000D_ 720 x 576 50Hz for PAL_x000D_ Video Interface:_x000D_ Operation screen mode: remote control or host button_x000D_ Default boot screen: default boot, 4 screen mode, selectable in the menu_x000D_ Screen mode: four screen, three screen, two screen, one screen_x000D_ Rated voltage: DC 12V_x000D_ Video signal input: 4 channels_x000D_ Operation method: remote control or host button_x000D_ Power loss protection: yes_x000D_ Main functions: _x000D_ 1. High resolution picture quality. _x000D_ 2. NTSC PAL dual video format. _x000D_ 3. Chinese and English language menus. _x000D_ 4. Channel image quality is adjusted independently. _x000D_ 5. Screen automatic switching function. _x000D_ 6. Two PIP functions, one PIP display position is adjustable, and the channel is adjustable. _x000D_ 7. Two screen function, the position of the display screen is adjustable, and the channel is adjustable. _x000D_ 8. ZOOM electronic amplification function, you can choose any amplification area. _x000D_ 9. Screen freezing function, support the function of freezing multiple channels at the same time under multi screen display. _x000D_ 10. Mobile reconnaissance alarm; screen loss alarm function. _x000D_ 11.60 sets of event records (mobile reconnaissance and screen loss alarm records). _x000D_ 12. The channel number can be edited arbitrarily. _x000D_ 13. The screen position can be adjusted and the alarm time can be set. _x000D_ 14. Support infrared remote control operation. _x000D_ Applicable:_x000D_ Suitable for school buses, buses, tank trucks, engineering vehicles, large trucks, boats, coaches, yachts, etc.