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 0‑116psi, 0‑8bar, 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 System Pressure Range: 0-116psi / 0-8bar Accuracy: ±1.5psi Pressure Unit: psi/bar Waterproof Level: IP68 Waterproof Receiver Battery: 400mAh Lithium Polymer Battery (built in) Sensor Battery: CR2025 Button Battery x4, 100mah capacity single battery (built in) Receiver Charging: USB, Solar Fitment: Universal fit 1 x Tire Pressure Monitoring System 4 x Sensor 1 x Power Cord