85mm Gps Speedometer with 7 Color Backlight Lcd Display Silver+black

Reverse polarity protection and anti-fogging performanceThe signal comes directly from the satellite signal receiver(GPS Antenna),don't need other speed sensor.Suitable for all vehicles, marine vessels and off-road vehicle7 Colors backlight availableGPS Blind Area Odometer Compensation. OverSpeed Buzzer Alarm (Value Adjustable)Fixing dimension: 85mm(3-3/8inch)Working Voltage: 12V/24VWorking temperatures: - 40 to 85CelsiusOperation mode: LCD display, stepper motorIndicating Range: 0-999 (MPH, Knots, Km/h adjustable)Switch unit between MPH(Mi), Knots(NMI) and Km/h (KM) by Backside ButtonTotal Mileage Adjustable, Mileage Range: 0-999999 (Mi,NMI,KM available)Placement on Vehicle: FrontModel name: Car GPS Speedometercolour:Silver+blackMaterial:ABSPackage Contents:1 x GPS speedometer1 x GPS Antenna1 x Multi-plug socketOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.