Description
Experience enhanced driving with the Speedhut 4-1/2" 120mph GPS Speedometer / 10K Tachometer (R45-DS16-REV). This innovative dual gauge combines the accuracy of GPS-driven speed measurement with a reliable tachometer, providing essential real-time data for your vehicle. Designed for ease of use and broad compatibility, this gauge offers a straightforward solution for monitoring both speed and engine RPM.
KEY FEATURES AND BENEFITS:
- Integrated GPS speedometer: Accurate speed readings up to 120 mph without the need for sensors or calibration.
- 10,000 RPM tachometer: Compatible with any engine producing a tach signal over one volt (from 1/2 to 6 pulses per revolution).
- Easy installation: Requires only a 12V power connection and included waterproof GPS antenna.
- Global operation: Utilizes free GPS signals with no subscriptions or data transmission.
- Accurate data: Internal microprocessor ensures precision; high-torque stepper motor delivers smooth pointer movement.
- Durable design: Slim case with spin-lock ring and billet aluminum bezel enhances appearance and reliability.
- Weather-resistant: Built to perform in a range of environmental conditions.
- Lifetime warranty: Coverage for the electronic GPS speedometer components.
- Made in USA: High-quality craftsmanship and components.
SPECIFICATIONS:
- Gauge Type: Dual GPS Speedometer / Tachometer
- Speedometer Range: 0-120 MPH
- Tachometer Range: 0-10,000 RPM
- Size: 4 1/2 inch
- Hole Size: 4.23 inches (108mm)
- Standard or Metric: Standard
- Included: GPS Antenna with 9.8 ft cable (male SMA connector), 3 ft Power & Lighting Harness, Wiring Harness (2-Wire Cable)
HOW TO USE:
- Mount the Gauge: Locate a suitable 4.23" (108mm) diameter hole in your vehicle’s dashboard or mounting panel. Secure the gauge in place using the slim case and spin-lock ring.
- Connect Power: Connect the 3 ft Power & Lighting Harness to a 12V power source in your vehicle. Ensure proper polarity.
- Install GPS Antenna: Mount the waterproof GPS antenna in a location with a clear view of the sky. Route the 9.8 ft cable to the gauge and connect the male SMA connector.
- Connect Tachometer Signal: Connect the 2-Wire Wiring Harness to your engine’s tachometer signal output (any signal over one volt, from 1/2 to 6 pulses per revolution). Refer to your vehicle’s service manual for the tachometer signal wire location.
- Operation: Once all connections are made and the vehicle is powered on, the GPS speedometer will automatically acquire a satellite signal and display your speed. The tachometer will display the engine’s RPM based on the signal received. No calibration for speed is required.
BENEFITS OF USING THE SPEEDHUT 4-1/2" 120MPH GPS SPEEDOMETER / 10K TACHOMETER (R45-DS16-REV):
- Experience precise and reliable speed readings without the complexities of traditional speed sensors, thanks to integrated GPS technology.
- Enjoy a straightforward installation process that eliminates the need for tire size or gear ratio calibrations.
- The tachometer offers broad compatibility with various engine types, providing accurate RPM data.
- The gauge’s robust construction, featuring a billet aluminum bezel and weather-resistant design, ensures long-lasting performance.
- Backed by a lifetime warranty and made in America, this dual gauge offers peace of mind and dependable operation.
FEATURES:
- Real-time speed tracking via GPS satellite signal.
- Tachometer compatible with a wide range of engine pulse signals.
- Effortless installation requiring only power and antenna connection.
- Global operation utilizing free GPS technology.
- Internal processor for highly accurate measurements.
- High-torque motor for precise pointer movement in all conditions.
- Compact design with a simple spin-lock mechanism for mounting.
- Durable and stylish solid aluminum bezel.
- Designed to withstand various weather conditions.
- Backed by a manufacturer’s lifetime warranty on electronics.
- Proudly manufactured in the United States.






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