Features: PMS for Android Car Player / Android GPS Navigation. Thereceiver can be connected to Android car DVD via USB port. Vehicle Sensors 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 tires life and save fuel. wakes up automatically when tire starts running. Quickly update Vehicle Sensors Tire Pressure and temperature data to AndroidApp. 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 s Disconnection Alarm Specification: TPMS Working Voltage:DC 5V Working Frequency :433.92MHZ Working Temperature:-40-85 Receiving Sensitivity: Internal Working Temperature: -40-125 Working Frequency : 433.92MHZ Battery Life:3-5 Years Battery Model:CR2050W Tire monitoring range value:0 bar8 bar Material: ABS Quantity:4 Piece/Set External Working Temperature: -20-60 Working Frequency :433.92MHZ Battery Life: 2-3 Years Battery Model:CR1632 Material: ABS Quantity:4 Piece/Set Package Included: 1 Set x Vehicle Sensors Tire Pressure Monitoring System