Feature 1The signal comes directly from the satellite signal receiver, making it has the advantages of high precision, quick location confirmation and short start up time. 2Use movingmagnet principle to drive the needle, featuring good endurance and antivibration, very practical in use. 3The speedometer precisely shows the actual speed and total km, suitable for all kinds of speed sensors, and display the speed of vehicle or marine. 4The GPS speedometer has the function of IP67 protection rank, excellent antifogging function, 85mm GPS speedometer 0200km/h. 5Complete accessories, mating GPS antenna, plug and instrument installation, 316 Stainless steel bezel with curved glass. 6Most importantly, convenient installation by multiplug socket connecting way, and can be used in all vehicles.Item Type:GPSSpeedometerMaterial: Stainless Steel 316L Bezel + Anti-Fog GlassBacklight: RedInstallation Diameter: 85mm or 3-3/8inIndication Range: 0-120km/HOperation Mode: LCD DisplayConnection Method: Buckle Row Plug, Direct InsertionWorking Voltage: 9-32VDCInput Signal: GPS with AntennaWorking Current: 100mAWorking Temperature: -30-+75Storage Temperature: -40-+85Dustproof Grade: IP67 WaterproofFitment: Fit for Speedometer gauge is suitable for all 12V / 24V cars, boats and off-road vehicle motorsInstallation Notes:1. Open a hole with a diameter of 85mm on the panel (your cabin panel and instrument panel), insert the instrument into the hole, the panel corresponding to the instrument panel is marked with a boss, and open a small notch at this position, To ensure that there is at least 85mm (3-3/8in) instrument panel on the back of the instrument2. After installing the instrument into the panel, screw down with the fixing ring3. Connect the wires, the instrument shell is directly connected to the 12 / 24V power supply4. Insert the wire harness and fix it firmly on the tableHow to Use: Install the instrument on the instrument panel and fix it, and then turn on the powerWiring Instructions:Red wiring - PositiveBlue wiring - NegativeOrange wiring - Backlight .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x GPSSpeedometer1 x GPS Speed Sensor1 x Power Harness1 x Manual