Speedometer: Operating voltage: 9-32VDC Fixing dimension: 85mm(3-3/8 inch) Item weight:325g MPH SOG COG ODO TRIP Functions In One. Touch the back buttton of the meter, we can switch the unit:KNOTS, MPH, KPH and save automatically. SOG:Speed Over Ground. COG:(Course Over Ground):The moving direction relative to the ground psdition, showing clockwise direction relative to the north TRIP:Return zero when off electricity. ODO:Accumulated, and never return to zero when off electricity. Tachometer: Indicating range: 0-8000RPM Operation mode: LCD display Red Backlight Description: Magnet Movement Gauge Weigh:240g Minor gauges: Input ranges: Oil pressure: 10-184ohms, show 0-145 PSI Fuel level: 240-33 ohms, E – F Temp: 287.4-22.4 ohms, show 100-250F Volt: 8-16V. 6 Gauge Set Odo Trip KPH MPH Speedometer Tacho Fuel Volt Oil Pressure Temp Black. 6 gauge set included : Speedometer, Tachometer, fuel, volt meter, oil pressure, temp. Operating temperature: -30 +75°C. Storage temperature: -40 +85°C. Fixing dimension: 85mm(3-3/8 inch). Operation mode: LCD display Red Backlight. MPH SOG COG ODO TRIP Functions In One. Touch the back button of the meter, we can switch the unit:KNOTS, MPH, KPH and save automatically. SOG: Speed Over Ground. COG:(Course Over Ground):The moving direction relative to the ground position, showing clockwise direction relative to the north. TRIP: Return zero when off electricity. ODO: Accumulated, and never return zero when off electricity. It keeps on adding miles/knots/km when is it of electricity. You can reset the odometer by long press the button on the back. Accessories: Installation Instructions; Wires and resistance. Use moving-magnet principle to drive the needle, featuring good endurance and anti-vibration. Protection grade is IP67, the whole body is completely waterproof. 316 Stainless steel bezel with curved glass. Convenient Installation by multi-plug socket connecting way. Do not need any speed sensor, the speed will be autocalculated by GPS signal. Description: Magnet Movement Gauge. Touch-sense button to change the setup parameters. Easy setup for pulse/rev. This tacho must be hooked up to the “W” terminal on vehicle alternator. Many diesel engines and most inboard gas boat engine alternator have this connection. It also can be hooked up to speed sensor, flying wheel, hei distributor, ECU. For speedometer details, see the link below. For tachometer details, see the link below. Style: stainless Steel Plate. Oil pressure: 10-184ohm, show 0-145Psi. Fuel level: 240-33ohm, E-F. Temp: 287.4-22.4 ohm, show 100-250F. For more gauge set without senders, see the link below. We are professional manufacture factory who was located in DongGuan, GuangDong Province. We have majored in this area over 9 years and have much experience and knowledge on it. Our mission is only to produce high quality products to our customers. We expect your long term business relation in the near future. Please return anything in which that you originally receive. We are speedo manu. Facturer who is located in GuangDong. We have been working on this products over 10 years and have much experience. Our mission is to produce good quality. Products and deliver to our customers all around the world. Welcome any offer on speedo. We hope to establish long-term business relationship for wholesales or retail sales with potentially qualified sellers to win the market. We care about customers’ feedbacks about the products and services we offer. We have been working on the easy and fair marketing venue and deliver the best things to the door of your home. Car Truck Motorbike Marine Yacht. Analog & Digital, Digital. Fuel Gauge, Speedometer, Tachometer/Rev Counter, Oil Pressure Gauge, Temperature Gauge, Lines, Volts Gauge. Bar, Degrees Celsius, Degrees Farenheit, km/h, mph, psi, gas, knots. Integrated LCD, Illuminated (Backlit).