6 in 1 Multi-functional 85MM GPS Speedometer+Fuel Level+Water Temp+Oil Press+Volt+Tachometer Temperarure Sensor Pressure Sensors Note If you need a sensor, please purchase it separately. The sensor purchased does not include the instrument, and the instrument does not include the sensor. Thank you Option 1 1X Sensor Option 2 1X Oil Pressure Sensor Option 3 - 1X 6 in 1 Gauge - 1X Multi-plug socket - 1X GPS antenna - 1X Instruction Features: - GPS SOG: Speed Over Ground: 0-600km/h - ODO: odometer: 0-999999km - TRIP: 0-999.9km can be adjusted by the back button. Return Zero When off electricity - COG: Course Over Ground Specification: 1 Fuel Level: 0-100% Press the back button to adjust the level signal: 0-190/240-33 available. 2Water Temperature: 40-120/100-250 Temperature sensor: 301-22ohm the water temperature is displayed by default. 3 Oil Pressure: 0-10 bar/0-145psi Pressure sensor: 10-184ohm After power on, press the back button to adjust unit, if the oil pressure unit is "psi", the temperature unit will be "". 4Voltmeter: 9-32V 5Total Engine Hours: 0.0-99999.9H Press the back button to adjust. 6Tachometer: 0-9999RPM Speed Ratio: 1.0-360.0; Step Value: 0.1. Dimensions: - 85mm diameter 3-3/8" - 55mm Depth 2-3/4" Note: - Please make sure you can Installation,if you need help you can