Marine GPS Speedometer Read from Zero, the mileage is not re-settable, it is like on a car and just keeps adding miles
The signal comes directly from the satellite signal receiver ( GPS Speed Sensor, It has power off memory function. Odometer still keep on recording without power.
GPS Speedometer Technical Data: -Fixing dimension: 85mm(3-3/8")
-Indicating Range: 0-160MPH
-Working Voltage: 9-32V(12V/24V)
-Backlight: Red
-Functions: current speed and total mileage
-Operation mode: LCD display, stepper motor
-Easy Installation
Come with: 1x GPS speedometer
1x GPS Speed Sensor
1x Multi-plug socket
1x Installation Instruction