Feature 1 LCD Display: The tire pressure monitoring system features an LCD display that can accurately provide the pressure and temperature data of 4 tires simultaneously, also supports alarms for excessive pressure and temperature. 2 Solar Powered with USB Charging: The system supports USB charging as well as solar auxiliary charging which results in ultra low power consumption, with high photoelectric conversion efficiency. 3 Secure Fixation with Anti Theft Nuts: The kit includes 4 tire pressure sensors and anti theft nuts that securely fix the nuts, ensuring that the sensors would not fall over or get stolen. 4 Wireless TPMS: The system features a wireless transmission design, eliminating the need for a wired connection, could accurately monitors tire pressure and tire stability. 5 Wide Applicable Range: The system has an air pressure setting range of 0116psi, 08bar, and exhibits IP68 waterproof feature, has 1.5 psi accuracy and runs on a DC 5V voltage, widely applicable for cars.Item Type: Solar Tire Pressure Monitoring SystemPressure Range: 0-116psi / 0-8barAccuracy: 1.5psiPressure Unit: psi/barOperating Voltage: DC 5VWaterproof Level: IP68 WaterproofReceiver Battery: 400mAh Lithium Polymer Battery (built in)Sensor Battery: CR2025 Button Battery x4, 100mah capacity single battery (built in)Receiver Charging: USB, SolarFitment: Universal fit Package List1 x Tire Pressure Monitoring System4 x Sensor1 x Power Cord