If your car year is 2021, please contact us Please note Your car must have a tire preure sensor in order to use our product, otherwise the product cannot be used.The same product in China has different prices and different qualities. This is a high-quality product from China, not a cheap low-quality product. Aroham only sells high-quality products, and guarantees the quality of our products. For your driving safety Please do not buy cheap low quality products. If you have any questions about the product, please contact Aroham customer service staff, thank you Tire preure display unit:KPA/PSI The product will display KPA or PSI according to the model, and for rav4 LE will display PSI (Not a hybrid).Most other models will display kpa product description: Aroham's smart module specially developed for rav4 cars uses advanced chips, only need to connect our smart module to the b6 module of the car's rear box, our products will activate your car's original tire preure monitoring function,The displayed tire preure data is true and accurate, please rest aured to use.suitable for rav4 in Asia, Europe, America, Australia.The installation is very simple, only need to connect the rear box module, the tire preure will be activated, and it only takes 10 minutes to complete the installation.suitable for hybrid and gasoline rav4.Chinese products have different prices and different qualities. Aroham reminds you, for your safety, please do not buy cheap products, thank you!Applicable models: fit for Fifth generation rav4 (XA50) 5G.For rav4 2019 2020 tire preure monitoring.Tire preure unit: kpa.Monitoring range: air preure 0-8.0 Bar.Accuracy: air preure-or +0.1 Bar.Sensor location: OBD.display power supply: external power supply.Please note:your tire must have a tire preure sensor to use this product.TPMS Tyre Preure Monitoring System Digital LCD Dash Board Display Auto Security Alarm for Toyota Rav4 2019 2020 Xa50 for Rav 4 2019 2020 himy friendAfter installing cars in some countries, the tire position and tire preure figures will be confused, please don't worry, you only need to deflate the tires to the corresponding figures, the system will automatically match and correct, very simple. The four tire deflated figures are: The front left tire is 100, right front 130, left rear 160, and the right rear tire is 180. Four tires are automatically calibrated