Hign-concerned Chemical:NONEPlacement on Vehicle:FrontCountry/Region of Manufacture:ChinaSpecial Features:With GPS AntennaItem Weight:180gBrand Name:ZMFJHOrigin:Mainland ChinaMaterial:Stainless+PlasticTechnical 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. Grundlegende Beschreibung des Instruments: 1. Tachometer-Anzeigebereich: 0-9999 2. Anzeigebereich der Gesamtkilometer: 0-999999 3. Anzeigebereich der Tageskilometer: 0-9999 4. Digitaler Kompass: 0-359 Package1 Includes: 1 X 52MM Speedomerter 1 X GPS Antenna 1 X Installation Package2 Includes: 1X52MM Gauge Holder