A3 3.5 inch Car GPS HUD OBD Vehicle-mounted Gator Automotive Head Up Display Security System with Multi-color LED, Support Car Speed & Local Real Time & Driving Direction Distance Time & Voltage & Elevation & Satellite Signal Display, Support Light Sensor, Mile Switching, Over Speed Alarm Functions Package Contents 1. 1 x A3; 2. 1 x OBD cable; 3. Reflecting Film; 4. Non-slip Mat; 5. A3 User Guide. About the product 1. This product is for drivers' safety, especially in high-speed driving at night. 2. HUD can keep driver eyes on the road and can decrease car accident. 3. HUD can project the important information (such as speed) onto the windshield, it can help inexperienced novice to control their speed and to avoid speeding violation in the speed limit road. 4. More importantly, it enables the driver instantly read the number in great vision and always make drivers eyes on the road in clear mind. Main Features 1. Automatic adaptation car models, and can apply for cars to ensure safer driving. 2. 3.5 inch screen and high-definition display. 3. With multi-color LED, easy to read. 4. High temperature fire prevention material. 5. The use of nano-technology to eliminate unwanted reflections and can make display information more sharper. 6. Display content: car speed & local real time & driving direction distance time & voltage & elevation & satellite signal. 7. Support light sensor, mile switching, over speed alarm functions. 8. Automatic brightness adjustment, driving without glare. 9. Apply for cars with OBD interface, just plug and play.