Auto Smart Speedometer Overspeed Alarm Digital Speed Mileage Meter LED Display Smart Head Up Display with Clock for Vehicle Auto Feature:1. Compatible with All Vehicles with USB Interface:The car digital HUD G11 is compatible with all vehicles with a USB interface, including cars, electric cars, trucks, hybrids, etc. This design allows you to use the machine on different types of vehicles and eliminates the need to purchase additional adapters.2. Display of Multiple Data:The car digital GPS speedo is fully functional and can display speed, time, journey time, journey distance, acceleration time from 0-100km, altitude, longitude, latitude, direction of travel (angle) with speeding alarm and fatigue warning. This design provides you with a detailed record of your journey and reminds you of traffic safety.3. Large LED Display:The electronic head up display is equipped with a large 5.5" 16:9 aspect ratio screen with LED display technology, so that key data can be seen at a glance. This design allows you to see the machine's output more clearly and also ensures a clear display even in bright light conditions.4. 10Hz High Refresh Rate:The auto smart speedometer uses a GPS chip and supports a high refresh rate of 10Hz with no delay. This design allows you to get the latest location information quickly and without any delay that may affect driving safety.5. Lightweight and Portable:The GPS speed detector is lightweight and portable and easy to install. The design allows you to conveniently mount the machine anywhere in your car and requires no additional tools or special skills. Specification:Origin: Mainland ChinaWire or Wirele: WiredSize Name: 127.7 x 64.7mm/5.0 x 2.5inchMaterial: ABS+PCLight color(optional): Blue White/ColorfulScreen type: LEDScreen size: 5.5 inchesApplicable model: Universal Note:Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!Please allow 1-2cm measuring deviation due to manual measurement. 1x Car Digital HUD1x USB Cable1x Double-Sided Adhesive1x Suction Cup Stand1x Instruction Manual