Feature:
1. DC 9‑30V speedometer, features 0‑30MPH display range and 0‑999999 Mile total accumulated mileage.
2. Using stepper motor, ensures high sensitivity. Low power consumption, long lifespan, high accuracy.
3. With bright red backlight to facilitate reading data in a dark environment, convenient to use.
4. IP67 waterproof and dust‑proof, it can withstand harsh environments, not easy to damage.
5. Wide range of applications, suitable for cars, trucks and boats. Provided users manual, easy to install.

How to Use:
1. Wiring:
Black Harness: Negative
Red and Yellow Harness: Positive
2. GPS Antenna:
Connect and turn the gauge on, then the meter will search for signals and the screen will display "COG". If there is no GPS signal after 3 minutes, the screen will display "Err"

Specification:
Item Type: GPS Speedometer
Material: ABS + Stainless Steel
Voltage: 9-30V DC
Total Accumulated Mileage: 0-999999 Mile
Waterproof and Dustproof Rating: IP67
Application: Suitable for car/truck/boat

Package List:
1 x Speedometer
1 x Manual
1 x GPS Antenna