Vehicle Digital Video Recorder 4 Channel 720P DC9‑36V Universal Mini MDVR for RV Van Truck Item Type: Digital Video Recorder Material: ABS + Metal Remote Control Battery: Button Battery 1pc CR2025 3V (not include) Video Format: PAL or NTSC (Automatic Identification, Note: The Camera Needs to Be Connected Before Power on, The Default is PAL Format) Video Parameters of Each Channel: Resolution 720x576 or 640x480, Refresh Rate 30 Frames/Second, Peak Value: 1Vp-P, Impedance: 75Ω Video Interface: 4 Inputs (RCA Interface), 1 Output (RCA Interface) Video Recording: (Not Include) Memory Card (Less Than or Equal to 64G), The Recording Format is AVI Audio: 1 in Operation Screen Mode: 2.4G Remote Control / Infrared Remote Control / Wire Control: High Level Trigger Positive Mirror Selection: OFF ON Recording Method: Independent Recording for Each Channel Default Startup Screen: Default Startup Quad Screen Mode, Selectable in the Menu Picture Mode: Four Pictures, Three Pictures, Two Pictures, One Picture Power Consumption: Host Operation: 2W Output Power: None Working Temperature: 0℃-+55℃ Camera Input: 4 Channels Operation Method: Remote Control Power Loss Protection: Yes Video Interface: RCA Interface Application: Suitable for school buses, buses, tank trucks, engineering vehicles, large trucks, boats, coaches, yachts, etc.