Feature:1. Wide Application: Rearview camera control box is suitable for school buses, buses, tank trucks, engineering vehicles, large trucks, boats, coaches, yachts, etc.2. 4 Channel Video Splitter: The vehicle video splitter supports 4 channels of audio input, and supports 1 audio output, you can choose the display mode.3. Support Information Overlay: The 4 channel backup camera system supports license plate numbers, time, driving information and other characters overlay.4. Safe and Reliable: The video splitter, DC12V 24V wide voltage input, has multiple protections, overload protection, short circuit protection and reverse connection protection.5. Simple Operation: The host can be turned on, off and delayed, and supports full screen automatic display of left turn, right turn and reverse.Specification:Item Type: 4 Channel Video SplitterMaterial: ABS + MetalVideo Format: PALVideo Parameters of Each Channel: Resolution 720x576, refresh rate 25 fpsVideo Interface: 4 way input (aviation head interface), 2 way output (aviation head interface and RCA)Operation Screen Mode: Wire Control: High Level TriggerPositive Mirror Image Selection: OFF and ONDefault Boot Screen: Default Boot Four Screen Mode, Selectable From The MenuPicture Mode: Four Pictures, Three Pictures, Two Pictures and One PictureRated Voltage: DC 12V, 24VCamera Input: 4 ChannelsOperation Method: Remote ControlPower Loss Protection: YesVideo Interface: Aviation Head InterfaceApplication: Suitable for school buses, buses, tank trucks, engineering vehicles, large trucks, boats, coaches, yachts, etc..Package List:1 x Video Splitter 1 x Image Control Box2 x Connection Line1 x Manual