Wireless Solar TPMS Car Tire Pressure Monitoring System, 6 Sensors, 7 Alert Mode. Input Voltage: DC 5V. Transmission Frequency: 433.92MHz. Pressure Range: 0200psi (015bar). [Large LED Display] This product is equipped with a Large LED screen and supports backlight adjustment, so you can read the data easily in any light environment. Real-time pressure and temperature display for 4-6 tires, allowing you to focus on long trips or cargo hauling. Monitor reports in multiple units including PSI, BAR, F° and C°. [Powefull Chip & Battery] The powerful chip makes sure the high-precision temperature and pressure monitoring. The temperature accuracy is ±3? . The pressure accuracy is ±1.5PSI (±0.1bar). The 400mAh explosion-proof battery offer you a safer drivering experience when charging the monitor. [7 Alert Modes] This tire pressure monitoring system offers 7 alert modes: high pressure alarm, low pressure alarm, high temperature alarm, rapid tire leak alarm, sensor failure alarm, sensor low battery alarm, monitor low battery alarm. High pressure alarm: 116Psi; low pressure alarm: 29Psi; high temperature alarm: 149? . [Two Charging Methods] The tire pressure monitoring system has two methods to charging efficiently. You can either use solar or Type-C cable to charge, so you can warry less. [Two Installation Methods] You can stick the monitor on the glass or in the front of the cab. With the 360° adjustable bracket, you can choose the comfortable angle to read the monitor and it won’t block your view while driving. [IP67 Waterproof] The sensor waterproof level is IP67 and it’s solid. With the RF wireless technology, the monitor will automatic alarm when tire pressure and temperature are abnormal. You don’t need to warry about bad weather or bumpy road.