Features Functions:This system makes you more safety when driving. It can real-time monitor tire pressure and temperature conditions. If detected any abnormal pressure and temperature of tires, the system will transmit real-time voice alarm and flash warning icon to remind the driver. Real-time monitoring and warning can not only avoidrisk of traffic accident but also make passenger safety. In addition, this system can effectively help improve the vehicle comfortableness and driving safety, reduce vehicle wear, save fuel consumption and avoid risk of flat tire. Alarming Information:Leakage warning, Low pressure warning, High pressure warning, High temperature warning, Low power warning, No signal warning, Low power of receiver. Function Setting:Unit setting (Default is Psi,C ),Threshold setting, match sensor (gas charging/venting for match), Times settings(AM /PM settings, hours settings, minutes settings), Default setting, shortcut setting. Start and stop at any time, save worry and powerd. Stop shutting down without operation. Using magnetic charging technology, completely eliminate USB charging port. It is not easy to enter water and can be completely waterproof. Wireless transmission design, bracket installation mode, Convenient and fast! This system is suitable for vehicle with double tires and maximum pressure of tire is below 8 bar. Specifications: Parameter of Receiver: Color: Black Materials: Plastic Operating Voltage : 3.7-5 V Operating Temperature : -2 0C--7 5C Bright Operating Current : < 7 mA RF Transmission Frequency : 433. 92 MHz50 KHz Display: LCD Color Screen Storage temperature : - 3 0C--8 0C RF Signal Reception Sensitivity : - 90 dbm External Sensor: Transmission Power: 10dBm Transmission Frequency: 433.92MHz15KHz Pressure Range: 0-6Bar Battery Life: 2 years Battery Replacement: Replace the Battery Independently Installation method: Independent Installation Package Information: Package Weight:240g Package Size:18.3 * 13.2 * 4.7CM Packing List: 1 * Set of Tire Pressure Monitoring System