Adopting the latest compatibility and stability， this head-up display system could well match up the general operation of your car. It boasts shift warning，over-speed remind， temperature display， and fatigue detection system etc. Also， it installs quickly requiring no additional technique. Designed into 4-inch size， it is portable and easy for reading. To sum up， based on OBD II standard， thisi3 4" LCD HUD Head-up Display System with Speedometer / OBD II Cable for Car is characterized by high cost performance compared with similar products! You will surely benefit a lot from this gadget once you install it in your car!                                    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 temperatureExcellent compatibility and stability， could well cooperate with your carTo ensure highest picture quality possibleSupport shift warning， over-speed remind， fatigue detection system and so onEasy and quick installation even for the green handWith this equipment， you will better know about specifics of your car performance on the road                                                            Specifications             Model     i3    <br> Quantity     1Set    <br> Material     ABS    <br> Color     Black    <br> Weight     1.94oz / 55g    <br> Dimensions     (4.13 x 2.44 x 0.59)" / (10.5 x 6.2 x 1.5)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>