Product details:Name: Car Tire Pressure Monitoring System Bluetooth Mobile Display Motorcycle Car Tire Pressure SensorMaterial: ABSStyle: As shown in the pictureCommunication method: Bluetooth 5.0Quiescent current: 1Bluetooth transmission power: 4dBDisplay mode: APP typeWorking humidity: 95%MAXCommunication name: BLE4.1Working voltage: 2.1-3.3Bluetooth working frequency: 2.4GHzResponse time: 4sWaterproof level: IP67Tire pressure monitoring range: 0-100PSITire pressure monitoring error: 3PSIWorking temperature: -30-+70Storage temperature: -30-+70Battery capacity: 140mAh (external)Features:The system displays real-time tire pressure data directly on your mobile device, allowing you to quickly check the pressure of all four tires at the same time. You can immediately see changes in tire pressure, helping you avoid unsafe driving conditions caused by improper tire inflation.Bluetooth tire pressure installation steps:1. Scan the QR code on the packaging box for Android phones to install the APP. Search for SYTPMS in the App Store for Apple phones and install it.2. After installing the APP, check whether Bluetooth and location are turned on.3. Open the APP, click pairing, and screw the sensor on each tire in turn.Note: When pairing, do not tighten the sensor into the tire first. Click pairing and tighten it again. There is a sound of deflation before pairing (if the pairing fails, click cancel and pair multiple times)Product includes: 1*Car tire pressure sensorNote: Please allow slight size errors (12 cm/0.390.78 inches) due to manual measurement, which shall prevail for the actual received; please allow slight color errors under different monitors.