Feature:1. Wide Application: The Truck DVR is suitable for a wide range of vehicles including school buses, trucks, boats, engineering vehicles, and yachts.2. 4 Channel Video Splitter: This DVR supports 4 channels of audio input and 1 audio output, allowing you to choose the display mode that suits your preferences.3. Information Overlay: The 4 channel backup camera system enables the overlay of important information such as license plate numbers, time, and driving information.4. Safe and Reliable: The truck DVR operates on a DC12V wide voltage input and is overload protection, short circuit protection, and reverse connection protection.5. Simple Operation: The DVR host offers convenient operation options such as turning on, turning off, and delayed activation, and it supports full screen automatic display of left turn, right turn, and reverse camera views.Specification:Item Type: Truck DVRMaterial: ABS, metalRemote Control Battery: CR2025 3V coin cell battery x 1 (not included)Video Format: NTSC, PALVideo Standards: TVI, AHD, CVI, D1Image Resolution: 3840x2160, 3072x2048, 3072x1728, 2560x1440, 1920x1080, 1280x720, 720x488Language: EnglishVideo Output: 4 ch BNC, 1.0Vp-p, 75CVBS Output: 2 ch BNC, 1.0Vp-p, 75VGA Output: 1 ChannelHigh Definition Multimedia Interface Output: 1 Channel (Up to 4k)Video Interface:Operation Screen Mode: Remote control, host buttonRated Voltage: DC 12VKey Features:1. High Resolution Display Quality2. NTSC, PAL3. English menu 4. Each image quality can independently adjust5. The image can auto switch each other6. 1PIP function, display channel number can be edited7. Dual Split display,PIP display mode and 3 Split display mode and so on several display mode8. High Quality image freeze function, more than one image can freeze in different channel9. Each channel number can be edited10. Support IR remote controller Application:Suitable for school buses, buses, trucks, engineering vehicles, large trucks, boats, coaches, yachts, etc..Package List:1 xRear View Video Recorder1 x Remote Control1 x Manual