ELING 200 MPH GPS Speedometer Odometer Trip Counter with GPS Sensor for Racing Car Motorcycle 3-3/8"

Product Features: - Suitable for all cars, tractors, vans, vessels, boats, yachts, etc. - The signal comes directly from the satellite signal receiver (GPS Speed Sensor) - The gauge has the advantages of high precision, quick location confirmation and short start up time. - IP67 waterproof and dustproof grade - Stepper motors used for full range of stepping gauges, great feature with its less power consumption, longer life, higher precision, etc. - With curved glass (with anti-fogging function) - With ultra-wide working voltage design(long-term operating voltage: 9-32V, Maximum up to: 36V (≤ 1 min)) How to adjust backlight? - Power on the power supply first. - Press the back SET button or Multi-function button (less than 2 seconds) to change the back light color. - Color in sequence: Red( Default)->Green->Blue->White->Yellow->Kelly->Orange->Purple->Auto Mode. - When users select the AUTO MODE, the back light will be off for around two seconds, and switch automatically as above sequence per minute.