1. 100% original, 100% independent research and development, 100% genuine! We have a professional RD team, excellent quality, favorable price, and lifetime technical support. The RD team is committed to creating high-quality car multimedia player radio technology to provide your car with a smart technology experience. 2. provides customers with lifetime free firmware, software, user interface, GPS navigation map updates. In order to ensure the normal modification of your car, the manual supports 26 languages including Russian, English, Spanish, French and Portuguese! Includes detailed how-to videos and instructions. 3.The warranty period of car radio accessories is 180 days!3 months more warranty than peers.The warranty period of car radio is 545 days!6 months more warranty than peers. AE-AC-UTP1 USBVehicle Sensors Tire Pressure Monitoring s System specified for A6/S8 models Only works for A6/ S8 Series. Not compatible with SA102 and F7 series Display tire information (temperature, pressure) on Android car stereo HD screen No matter which app you are in, the alerts will prompt on top of the screen It allows users to set the range of max temperature, and max minimum Vehicle Sensors Tire Pressure value, so that it can prompt alerts when applicable Both windows prompts alert and tone alert is available. You wont miss the important notification of tire leakage TPMS Vehicle Sensors Tire Pressure monitoring system has been added to most new cars, but it is still absent in most cars, especially cars that were manufactured before 2010. The display screen of A6 is an ideal place for checking for tire information and alerts. The Z-AC-UTP1 USBVehicle Sensors Tire Pressure Monitoring is now available. To let this device work with A6 properly, users need to download and install anapp APK on A6 first. In the app settings, users can change the display unit of pressure (bar/psi/kpa), tire temperature (/); How Alerts are generated: tone alerts / display prompting alerts;