[Dual Power Supply] Solar panel and USB charging ensure continuous operation, providing uninterrupted 24/7 tire monitoring for enhanced vehicle safety. [High-Precision Monitoring] Accurate tire pressure readings within a 0-6 BAR range, with ±0.1 BAR precision for optimal tire maintenance. [Real-Time Updates] Quick sensor response time of 0.3 seconds ensures you always have the most current tire pressure and temperature data. [All-Weather Performance] IPX7 waterproof rating and operational temperature range of -40℃ to 70℃ guarantee reliability in various environmental conditions. [Easy Installation] External sensors can be installed in just 2 minutes without the need for tire removal, saving time and effort. [Clear Display] Large LCD screen clearly shows both temperature and pressure readings for easy monitoring at a glance. Specifications: Power Supply: Solar panel + USB charging Pressure Range: 0-6 BAR Accuracy: ±0.1 BAR Sensor Response Time: 0.3 seconds Waterproof Rating: IPX7 Operating Temperature: -40℃ to 70℃ Display: Large LCD screen Signal Frequency: 433.92MHz Transmission Power: >10dBm Operating Voltage: 3.7V Charging Input: DC 5.1V Transmission Frequency: 433.92MHz Size: 94*28*67.3mm