Product details: Name: Car Tire Pressure Monitoring System Bluetooth Mobile Display Motorcycle Car Tire Pressure Sensor Material: ABS Style: As shown in the picture Communication method: Bluetooth 5.0 Quiescent current: ≤1μΑ Bluetooth transmission power: 4dB Display mode: APP type Working humidity: 95%MAX Communication name: BLE4.1 Working voltage: 2.1-3.3 Bluetooth working frequency: 2.4GHz Response time: ≤4s Waterproof level: IP67 Tire pressure monitoring range: 0-100PSI Tire pressure monitoring error: ±3PSI Working temperature: -30-+70℃ Storage temperature: -30-+70℃ Battery 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 sensor Note: 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.