GPS speedometer with sunshade for clear MPH readings! No KM/H option-ideal for outdoor driving. Auto on/off with your car's ignition. Fits any vehicle via USB... Atmospheric pressure: 86-106 kpa., Relative humidity: 10% -95%., Environmental noise = 30 dB. Skoda Kamiq Accessories OBD2 GPS HUD Gauge Car Digital Speedometer Turbo RPM Head Up Display Overspeed, temperature is too high, voltage is too low, faults can be alarmed. High Quality l:100% high quality l. After erated testing, braking test, reading data stream. Good quality not only can provide a safer guarantee for your life,but o good ri can increase product life. Overspeed, water temperature is too high, voltage is too low, faults can be alarmed. After accelerated testing, braking test, reading data stream. Operating voltage: 11V-18VDC (12VDC/200mA)., Size: approx., 4., 3 x 1., 1 x 7., 5 cm/1., 65 x 0., 43 x 3., 03 inches. Ambient temperature: -40°C -80°C. Universal Mirror HUD C1 OBD2 GPS Dual System Smart Gauge Head up Display on Windscreen HD Projector Speedometer with Navigation OBD mode shows fuel umption, speed, single eage, total eage accumulation, travel time, driving direction, system time, intake pressure, etc. The Head-up Display is made of high quality l. Reflective lens size: approx., 5., 1 inches., Package contents: Car HUD Display under $5! CQCYD Car HUD Speed Display, Colorful Head Up Display with Compass Clock, KMH/MPH Switchable Speedometer, OBD Interface HUD for Vehicle Driving Safety Colour: as shown in the picture.