Plug-n-play from OBDll to lnVision LCD dashes and traditional round AutoMeter tachometers electronic speedometers and short sweep electric gauges. 6 total channels available - tachometer speedometer fuel level temp pressure &. volts. Simplifies instrumentation wiring and installation - no sensors to hookup which means less wires to connect and no adapters to worry about. Works with most OBD-11 applications which is standardized across all OEMs starting in 1996. Module includes OLED display and five push buttons to effortlessly navigate menus and program system for operation. Sensor data must be present on the OBD II data stream to function otherwise a discrete sensor must be used