It comes with packaging, manual, wiring, sensor support, filter, sleeve, and T. Digital screen and green, orange to red LED. Auto-sweep of the LEDs when turned on. Diameter 52 mm. Depth 36 mm. Battery monitoring function: vehicle voltage display for 30 seconds when turned on and then every 10 minutes. If the voltage is below 11V, the red alert LED lights up. Visual alarm: all LEDs flash if the measurement is above 1.5 bars for more than 3 seconds. Accuracy: 0.1 Bar. Range of measured values: -1 to 3 bar. Remote digital sensor: reduced latency time, ease of installation, better accuracy. It connects to the intake manifold hose with the T connector. For gasoline or diesel vehicles.