Enhance vehicle security and monitoring with this advanced 4-Channel Digital Video Recorder (DVR), designed for professional and commercial use. Constructed with durable ABS and metal materials, this mini MDVR provides reliable multi-channel video and audio recording, perfect for a wide range of vehicles including school buses, tank trucks, engineering vehicles, yachts, and more. Key Features: · 4-Channel Video & Audio Input: Supports simultaneous recording of 4 video inputs and 4 audio inputs via RCA interfaces, ensuring comprehensive coverage of your vehicle’s surroundings. Additionally, it offers 1 composite video output and 1 audio output for convenient monitoring. · Overlay Information Display: Displays essential overlays such as license plate numbers, time stamps, and driving information directly on the video, enhancing security and recording accuracy. · Flexible Display Options: Features selectable picture modes including quad view, triple view, dual view, and single channel full screen. Supports automatic full screen display during reversing, with optional left and right turn overlays for better situational awareness. · Switch Door Recording: Automatically segments video files during door opening events for easier review and improved data management efficiency. · Robust Multi-Protection Design: Equipped with professional-grade RCA connectors and safe wide voltage input (9-36V DC). Includes comprehensive protections against overload, short circuit, and reverse polarity to ensure stable and safe operation under various conditions. · Efficient Video Compression: Utilizes H.264 video compression algorithm, significantly reducing file size while maintaining high-quality video. Supports up to 64GB memory cards (not included), maximizing storage capacity and recording duration. · User-Friendly Operation: Controlled via 2.4G remote control, infrared remote, or wired control with high-level trigger functionality. Includes power loss protection to prevent data loss during unexpected power interruptions. · Compatible Video Formats: Automatically detects and supports both PAL and NTSC video formats (PAL default), with a resolution of 720x576 or 640x480 pixels at 30 frames per second for clear, smooth footage. · Low Power Consumption: Operates efficiently at only 2W, minimizing battery drain and ensuring consistent performance. Specifications: · Item Type: Digital Video Recorder · Material: ABS + Metal · Video Format: PAL/NTSC (Automatic Detection) · Video Resolution: 720x576 / 640x480 (30 FPS) · Video Interfaces: 4 RCA Inputs, 1 RCA Output · Audio: 4-channel input, 1-channel output · Recording Format: AVI · Memory Card Support: Up to 64GB (Not Included) · Power Input: 9-36V DC Wide Voltage · Operation Temperature: 0℃ to +55℃ · Power Consumption: 2W · Operation Method: Remote Control (2.4G / Infrared / Wired) · Remote Control Battery: CR2025 3V Button Battery (Not Included) Package Includes: · 1 x 4-Channel Digital Video Recorder Designed for reliability and ease of use, this 4-Channel DVR offers comprehensive vehicle monitoring with advanced features and multi-level protections. It is ideal for a variety of commercial and industrial vehicles, helping to ensure safety, security, and peace of mind during every journey.