Please note Your car must have a tire pressure 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. Yomi 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 Yomi customer service staff, thank you Tire pressure 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: 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 pressure monitoring function,The displayed tire pressure data is true and accurate, please rest assured 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 pressure 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. 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 pressure monitoring. Tire pressure unit: kpa. Monitoring range: air pressure 0-8.0 Bar. Accuracy: air pressure-or +0.1 Bar. Sensor location: OBD. display power supply: external power supply. Please note: your tire must have a tire pressure sensor to use this product. TPMS Tyre Pressure Monitoring System Digital LCD Dash Board Display Auto Security Alarm for Toyota Rav4 2019 2020 Xa50 for Rav 4 2019 2020 Installation Notes: 1. Disassemble the two screws on the side panel on the right side of the trunk, pull the rubber strip away, and pry the upper trim panel apart along the gap 2. Remove and remove the upper trim of the original car, find the B module of the original car, and unplug the B module 3. Connect the tire pressure module wire harness of the product to the B module wire speed plug of the original car, and fix the tire pressure host 4. Align the upper trim of the original car with the card position and snap it back to its original position, please pay attention to align with the buckle of the lower trim of the original car