Mobile Digital Video Splitter 4 Channel Mini Video Splitter 720P for Buses Tank Trucks Boats Yachts Item Type: 4 Channel Mini Video MonitorMaterial: ABS + Metal Remote Control Battery: 1pc CR2025 button battery 3V (not included) Video Format: PAL/NTSC (automatic identification, note: the camera (not included) needs to be connected before power on, the default is PAL format) Video Parameters of Each Channel: Resolution: 720×576 or 640x480 Refresh Rate: 25 frames per second Peak Value: 1Vp-p Impedance: 75Ω Video Interface: 4 inputs (RCA interface), 1 output (RCA interface) Audio: 1 in Operation Screen Mode: 2.4G remote control / infrared remote control / wire control: high level trigger Positive/Mirror Selection: OFF/ON Default Boot Screen: Four screen mode, selectable in the menu Picture Mode: Mode 4, mode 3, mode 2, mode 1 Host Operation Power Consumption: 2.5W Output Power: None Working Temperature: 0℃ to +55℃ Camera Input: 4 Channels Operation Method: Remote Control Power Loss Protection: Yes Video Interface: RCA interface Application: For school buses, buses, tank trucks, engineering vehicles, large trucks, boats, coaches, yachts, etc.