Other Part Number:digital gps speedometerPlacement on Vehicle:FrontCountry/Region of Manufacture:chinaInterchange Part Number:Button SwitchSpecial Features:water proofItem Weight:0.25kgItem Height:-Manufacturer Part Number:12v car switchOrigin:Mainland ChinaOEM NO.:digital tachometerMaterial:Metalgps speedometer Gauge:Digital Marine gps speedometergps speedometer:gps speedometer for Outboard Enginespeedometer car:gps speedometerGPS Speedometer:Waterproof gps speedometerSpeedometer Motorcycle:LCD display, stepper motorGPS Speedometer Gauge:For Auto Motorcycle BoatDigital GPS Speedometer:Waterproof Digital Speedometer,For Auto Motorcycle BoatSpeed Gauge Installation Dimension:52mmIndicating Range:0~999 (MPH, Knots, Km/h)gps speedometer waterproof:With LCD Odometer For Boat Car MotorcycleTechnical parameters: Operatingvoltage: 9~32VDC Operating current: 100mA Operating temperature: -20~ 70 Storage temperature: -30~ 80 TRIP:Single mil eagezero power down. ODO:Accumulated mileagepower outage data can be saved. Connection: 1 Black: Ground(-) 2 Red: 9-32VDC 3 Yellow: Switch unit The yellow line intermittently contacts the negative electrode, which can realize the switching of knot, MPH, km/h units, and automatically save. Features: 1. Tachometer-Anzeigebereich: 0-999,9 2. Anzeigebereich der Gesamtkilometer: 0-999999 3. Anzeigebereich der Tageskilometer: 0-999,9 4. Digitaler Kompass: 0-359 5.TRIP:Single mil eagezero power down 6.ODO:accumulated mileagepower outage data can be saved The yellow line intermittently contacts the negative electrode, which can realize the switching of knot, MPH, km/h units, and automatically save. Package Includes: 1 X 52MM Speedomerter 1 X GPS Antenna 1 X Installation