1. The intelligent safety monitoring system can monitor the tire pressure in real time and improve the driving safety factor. 2. Easy to install. Stable performance and high reliability. 3. A good replacement for the old one. Enhance the performance of your car. 4. OE number: 13598771. This is for reference only, please check and confirm the OE carefully before purchasing. 5. Frequency: 433MHz 6. Fits for Chevrolet Captiva / Opel Astra 7. Power supply method: button battery
