2026 Upgraded GPS Speedometer MPH,Accurate & Stable Digital Speedometer for Car with USB Port & HD Large Font Display,Car Speedometers Display Real-Time Sync Cars Accessories

Big Digits, Small Footprint, Know Your Pace At A GlanceProduct PropertiesColor: BlackSize: 2.98 x 1.96 x 0.63 inchWeight: 3.27 ozMaterial: ABS + PCPackaging: 1 x Car Speedometer + 1 x Instruction Manual + 2 x Anti-skid Pad + 1 x USB CablePackage Sizes: 4.07x2.98x2.95 inchProduct Features1. A modern GPS-based speed detection method displays readings in MPH. It operates independently of the vehicle's internal systems and is compatible with most cars, trucks, and SUVs2. The display uses large, legible numbers on a clean background. Its compact shape lets it sit discreetly on the dash without becoming a visual obstruction3. The device receives power through a USB connection, either from the car's built-in port or a cigarette lighter adapter. It starts up when the engine is turned on and powers down after the ignition is switched offProduct Parameters1. Input Voltage: DC 5V 2. Input Current: DC 50-120mA power bank for power supply is supported3. Working Temperature: -30 to 70 DegreesProduct FunctionsUsed to collect speed data from satellites to test vehicle speedsCaveats1. The error of the car speed is between 1%-5%, its speed is basically the same as the speed of the acceleration radar, but there is still a certain degree of error2. Easy to install, only need to connect the USB port and this product, at the same time in the car power USB interface connection can be used3. The first time you use it, it may take 10-30 seconds to receive the GPS signal, can not be used underground, indoor, tunnels

• GPS Velocity Measurement: The gps speedometer uses satellite positioning to calculate road speed. Values are shown in M/PH and refresh at a steady rate. Note that displayed speed may vary by approximately 1% to 5% due to normal satellite measurement tolerances
• USB Connection for Power Supply: The speedometer receives power through a USB cable plugged into the vehicle's power port or cigarette lighter adapter. No changes to the electrical system are needed. It activates when the car starts and shuts off when the engine stops
• Minimalist Design with Green Digits: This gps speedometer mph has a straightforward layout with large, easy-to-read green characters. Its small size allows placement on the dash without interfering with visibility. The black finish and green text complement a wide range of cabin interiors
• Wide Compatibility Across Vehicles: The digital speedometer for car can be installed in passenger cars, vans, crossovers, and light trucks. It serves as a standalone display that unit operates the same way across different dashboard layouts and cabin configurations
• Simple Installation and GPS Notes: This digital speedometer is ready after connecting the USB lead to a power outlet. Allow up to 30 seconds for the initial satellite fix. Work is not advised in indoor parking garages, underground tunnels, or extended underpasses due to lack of GPS reception