Features : -GPS SOG: Speed Over Ground: 0-600km/h -ODO: odometer: 0-999999km (can be adjusted by the back button.) -TRIP: 0-999.9km (Return Zero When off electricity) -COG: Course Over Ground -Tachometer: 0-9999RPM -Speed Ratio: 1.0-360.0; Step Value: 0.1 -Oil Pressure: 0-10 bar/0-145psi (Pressure sensor: 10-184ohm) -Water Temperature: 40-120/100-250 (Temperature sensor: 301-22ohm) -Voltmeter: 9-32V -Fuel Level: 0-100% (Press the back button to adjust the level signal: 0-190/240-33 available.) -Total Engine Hours: 0.0-99999.9H -Sensor Fault Alarm -Degree of Protection: IP67 -Backlight: TFT Screen -Sensor are not provided with this gauge.if you need it please contact us Setting: 1.Keep on pressing the back button for 3 seconds, and then enter into setting mode, leaving button more than 3 seconds, it will be out of setting mode. 2.The value will increase when you press the button. When you leave the button and then press it again, the value will decrease. The minimum step value is 0.1 and the adjustable range is 1.0-360.0.(tachometer setting) 3.When you get the required speed ratio value after adjustment, please leave the button. The tachometers will autoclave your setup after 3 seconds. If the setup doesn't meet your demand, please re-setup. 4.Must press the button first and power up, can select English or Chinese. Package Included: Package 1: 1*6 in 1 Gauge 1*multi-plug socket 1*Instruction Package 2: 1*Sensor