[WIDE APPLICATION] - Meet your demands with this 4 channel video splitter suitable for school buses, buses, tank trucks, engineering vehicles, large trucks, boats, coaches, yachts, and more. [MULTI-FUNCTIONAL] - Choose from 4 channels of audio input and enjoy 1 audio output. Supports information overlay such as license plate numbers, time, and driving information for added convenience. [HIGHLY PROTECTED] - With safe interface, DC12V 24V wide voltage input, and built-in overload, short circuit, and reverse connection protection for enhanced safety. [EASY TO OPERATE] - Conveniently turn the host on, off, and delay, and enjoy full screen automatic display of left turn, right turn, and reverse. [ & VERSATILE] - This 4 channel video splitter is made of high-quality ABS and metal materials, ensuring durability and compatibility with vehicles. Item Type: 4 Channel Video Splitter Video Interface: 4 way input (aviation interface), output (aviation interface) Operation Screen Mode: Wire Control: High Level Trigger Positive Selection: OFF and ON Default Boot Screen: Default Boot Four Screen Mode, Selectable From The Menu Picture Mode: Four Pictures, Three Pictures, Two Pictures and One Picture Rated Voltage: DC 12V, 24V Camera Input: 4 Channels Operation Method: Remote Control Application: Suitable for school buses, buses, tank trucks, engineering vehicles, large trucks, boats, coaches, yachts, etc. Material: Plastic Color: As shown Note: Installation guide not included, Please check as much as possible to make sure the item is what you need. Tips: The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use Package Contents: 1 x Video Splitter set Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.