Car GPS Digital Speedometer KMH MPH HUD Automotive Head Up Display Vehicle Motorcycle Boat Bike Time Altitude Speed Meter VoltageProduct Features: 1. VJOYCAR 100% Brand Guarantee2. With Mirror Projecting, Display Data is more shine and clearly: 6 different Display modes3. Safty driving, Keep your eyes ahead, No need to down your head to see Dashboard while driving4. 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, can workonall 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 G3HUD 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 Brightness Sensor G3 HD LED Display adjust the appropriate brightness 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 brightness 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 Warranty- it has CE, FCC, RoHS certifictesPackage List: 1X HUD1X USBCable (1.8m)1X Non-slip Mat1X ManuelProduct Specifications:Environment temperature-40c- + 80catmospheric pressure86-106 KPaRelative Humidity10% -95%Environmental noise= 60dB (A)Alarm sound level=30dB (A)Working voltage11V~18Vdc(12Vdc/200mA)Sleep current=30mAProduct sizefold 135X67X30 mm Full size135x68x56mmDisplay channelLED DisplayReflector transmittance96%Virtual image distance55 mmLeft and right angle view60Downwards angle view15