Feature: 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 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. Specification: Item Type: 4 Channel Video SplitterMaterial: ABS + Metal Driving Playback: GPS Driving Track Computer Software Playback Video System: PAL NTSC (Automatic Identification, Note: Need To Connect The Camera Before Power On, The Default Is PAL) Video Interface: 4 Way Input (Aviation Head Interface), 1 Way Output (Aviation Head Interface) Positive Mirror Image Selection: OFF ON Default Power On Screen: Default Power On Four Screen Mode, Menu Selectable Screen Mode: 4 Screen, 3 Screen, 2 Screen, 1 Screen Support Power Supply Voltage: 9 To 36V Ultra Wide Voltage Input, With Overload, Short Circuit, Reverse Connection And Other Protection Circuits. Rated Voltage: DC 12V 24V Resolution: Support 1080P, 720P, D1, CIF, Etc. Camera Input: 4 Way Operation Method: Remote Control Remote Control Battery: Dry Cell AAA x 2 (not included) Power Loss Protection: Yes Video Interface: Aviation Head Interface USB Backup: Support Memory Maximum Support: 512G Delay shutdown: independent delay shutdown circuit, can support the system to continue to run after the vehicle is turned off, the delay time can be set by yourself. Peripheral support: Support 1 group RS232, can connect ID card reader, fuel sensor, temperature sensor and other peripherals. Software Upgrade: Support software upgrade via storage card and USB flash disk. Power protection: the video content has a power failure protection function, and the video is automatically restored when powered on. Video: Support multi way comparison playback Support fast forward, fast reverse, respectively support 2, 4, 8, 16 times the speed optional Support alarm point search and time point search Applicable: Suitable for school buses, buses, tank trucks, engineering vehicles, large trucks, boats, coaches, yachts, etc.. Package List: 1 x Main Unit 3 x Cables 1 x Remote Control 1 x Key 1 x GPS Note: For software that requires downloading installation packages