Features: TPMS for Android Car Player / Android GPS Navigation. The TPMS receiver can be connected to Android car DVD via USB port. Tire pressure and temperature data displaying on Android Car DVD screen. Sound Alarm via car speakers and screen alarm when abnormality occurs. Prevent tire burst, extend the tire's life and save fuel. Sensor wakes up automatically when tire starts running. Quickly update tire pressure and temperature data to Android TPMS App. Automatically sleep to save energy after parking. 6 Protections for Safe Driving : High Pressure Alarm Low Pressure Alarm Air Leakage Alarm High Temperature Alarm Battery Low Power Alarm Sensors Disconnection Alarm Specification: Internal Sensor : Working Temperature: -40-125 Working Frequency : 433.92MHZ Battery Model:CR2050 300mAh Battery Life:2-4 Years Tire monitoring range value:0 bar-8 bar /0-116psi Working Voltage:DC 5V WaterproofIP67 Chip:Senasic External Sensor : Working Temperature: -20-60 Working Frequency :433.92MHZ Battery Model:CR1632 180mA Battery Life: 1-2 Years Tire monitoring range value:0 bar-8bar /0-116psi Working Voltage:DC 5V WaterproofIP67 Chip:Senasic Package Included: 1 Set xTire Pressure Monitoring System Do drop