Based on OBD II standard， this S05 4" LCD HUD Head-up Display System with Speedometer/OBD II Cable is characterized by high cost performance compared with similar products. Adopting the latest compatibility and stability， it could well match up the general operation of your car. Also， it installs quickly requiring no additional technique. As to its performance， this display system supports auto timer， shift warning， over-speed remind， voice prompt and time display etc. Designed into 4-inch size， it is portable and easy for reading. In a word， high quality and meticulous construction will make you more comfortable and assured. Pick it out!                                    Features            New high brightness screen， bright colors， image is clear and fine4-inch LCD display， portable and easy for drivers to read dataHUD can display many parameters at the same time as follows: vehicle speed(KM/H) / rotational speed(RPM) / water temperature/battery voltage/idle speed and instantaneous fuel consumption/clockExcellent compatibility and stability， could well cooperate with your carTo ensure highest picture quality possibleSupport auto timer， shift warning， over-speed remind， and voice prompt etc.Easy and quick installation even for the green hand                                                            Specifications            Model    S05    <br>Quantity    1Set    <br>Material    ABS    <br>Color    Black    <br>Weight    3.63oz / 103g    <br>Dimensions    (4.17 x 2.68 x 0.83)" / (10.6 x 6.8 x 2.1)cm (L x W x H)     <br>                                                            Package Includes            1 x Head-up Display System<br>1 x Reflective Film<br>1 x OBD II Connecting Cable (145cm)<br>1 x Anti-slip Mat<br>1 x English Manual<br>