High Quality 4 Pack Sensors TPMS Bluetooth 4.0 Car Exterior TPMS Tire Pressure Monitoring BLE TPMS Low Energy for Android and IOS Bluetooth 4.0 TPMS Description: Dynamically monitor tire pressure on 4 wheels simultaneously, prevent flat tire damage, improve fuel efficiency, extend tire life, and ensure driving safety. It is designed as a direct tire pressure monitoring system that installs a pressure and temperature sensor on the tire and then displays the real-time data on the phone (Android, IOS, IPad) via Bluetooth connection. While driving, tire pressure and temperature are displayed in real time, and an alert is sent when the statistics are abnormal. For your safety. TPMS supports both Android and iOS and requires Bluetooth 4.0 or higher. APP Installation: Option 1: Scan the QR code on the card, download and install it. Option 2: Search for BEL TPMS in the APP Store or Google Play Store, download and install it.