BLE TPMS is one kind Car tire pressure monitoring system(TPMS) application software which designed for smart phone.It can work for Bluetooth 4.0 or higher version smart phone with the installation of the tires on the Bluetooth TPMS sensor to receive four tires’ pressure and temperature.When the car drivingit can monitor the pressure and temperature data of tires .And when the data is abnormal "smart tire pressure" can alarm in time to ensure driving safety.

Fast leak alarm: when air pressure leak more than 5Kpa within 5 secondsit start the "Fast leak alarm"."leak" icon appears;
Slow leak alarm: the pressure value is lower than the set pressure lower limit the system starts "slow leak alarm"."low pressure" icon appears;
High pressure alarm: air pressure exceeds the tire pressure upper limit it start the "high pressure alarm" ;
Low pressure alarm: air pressure below the tire pressure lower limit it start the "low pressure alarm";
High temperature alarm: tire Internal temperature exceeds the tire temperature upper limit it start the "high temperature alarm";
No signal alarm: any signal can not be received for a certain period of time it start the "no signal alarm";
Low battery alarm: When the battery voltage is lower than the setting value it start the "low battery alarm";

The location permissions needed in the application are for adapting the Bluetooth permissions of Android 6.0 and above. The telephone permissions are for avoiding the conflict between answering the phone and voice alarm. Please allow these permissions.