Feature 1Head up display can prevent the driver from being distracted because looking down at the instrument, brings fast traffic response. 2OBD mode function, can shows vehicle speed, speed(RPM), water temperature, voltage,clock, single driving distance, single driving time, etc. 3Can show warning icons like overspeed alarm, speed(RPM) alarm, fatigue driving alarm, water temp alarm, voltage alarm, engine failure warning. 4GPS mode function, can shows vehicle speed, clock, voltage, single driving time, single driving distance, driving direction, altitude, number of satellites, speed diagram. 5The display effect is better, and the driving information is more accurate, keep your eyes ahead to enhance driving safety.Item Type: Head Up DisplayMaterial: ABSColor: BlackSize: Approx. 10.2 x 5.3 x 2.8cm/4.0 x 2.1 x 1.1inCompatible: Suitable for vehicles complying with OBD II standardsOBD Mode Function: Vehicle speed, speed(RPM), water temperature, voltage,clock, single driving distance, single driving time, driving direction, altitude, number of satellites, speed diagram, 100km acceleration time, fault code clearing.GPS Mode Function: Vehicle speed, clock, voltage, single driving time, single driving distance, driving direction, altitude, number of satellites, speed diagram.Alarm Function: Overspeed alarm, speed(RPM) alarm, fatigue driving alarm, water temperature alarm, voltage alarm, engine failure warning.Instructions:1. Simply connect the head-up display (HUD) with the on-board diagnostic interface (OBD) through the OBD cable, and the head-up display (HUD) will display when the car engine starts.2. Connect the USB cable to the USB interface, it will display when the car engine starts3. GPS use method: Need to download for WiiYii APP software, wireless connection between HUD and smartphone viabluetooth, navigation information wil dispaly synchronously through APP. .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Host1 x Sun Shield1 x OBD Line1 x USB Cable1 x Anti-Slip Mat1 x Reflective Sticker1 x ManualNotePlease allow 03mm error due to manual measurement. Thanks for your understanding.