HD Waterproof LCD Digital 52mm GPS Speedometer Odometer TFT Screen TRIP Display 999 MPH Knot Km/h With GPS Antenna Note: The gauge does not include the gauge holder, and the igauge holder does not include the gauge. If you need both the holder and the gauge, please purchase separately or purchase a set. Thank you Package 1 1x GPS Speedometer 1x GPS Antenna 1x Installation Instruction Package 2 1X 52mm Gauge Holder Package 3 1X 52mm GPS Speedometer 1X 52mm Gauge Holder Technical 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 canbe saved. Package Includes: Connection: 1 Black: Ground(-) 2 Red: 9-32VDC 3 Yellow: Switch unit The yellow line intermittently