Car GPS Digital Speedometer KMH MPH HUD Automotive Head Up Display Vehicle Motorcycle Boat Bike Time Altitude Speed Meter Voltage Product Features: 1. VJOYCAR 100% Brand Guarantee 2. With Mirror Projecting, Display Data is more shine and clearly: 6 different Display modes 3. Safty driving, Keep your eyes ahead, No need to down your head to see Dashboard while driving 4.Display information: Speed, travel time, satellite time, altitude, number of satellites, driving direction, single mileage, voltage, acceleration test, brake test. 5.Alarm: Overspeed alarm, Low voltage alarm, Over-time Driving alarm, Free switching between kilometer and miles, KM/H & MPH Switch freely. 6. Connection:USB connector,canwork on all vehicles. More Product Details:H Product Highlights: WORKS FOR ALL VEHICLES Unlike other Car HUDs, you do not need to worry about the compatibly, G3 could work for ALL vehicles, no matter which brand or which model all over the world because G3 is based on the GPS module inside. Depth of Field Visual Effect G3 HUD uses semi-transparent and semi-reflection lens to make the information display stereoscopically in the air. Unlike the windshield project film, you can always see the clear and sharp image in the display board, never ghost/double image. Auto Brightne Sensor G3 HD LED Display adjust the appropriate brightne automatically according to the light. No ghost and double image, never need to apply a film on the windshield SMART DESIGN With auto power on/off function, the HUD will start or turn off automatically with vehicle ignition, can effectively protect your vehicle's battery. Retaining the manual switch mode, easier to control HUD. Automatic and manual brightne adjustment mode, driving without glare. NO SPEED SKIP Introducing core algorithm technology, adding speed lubrication effect, no skip speed, more coherent and smooth display. One-Year