2020 USB Solar Charging Motorcycle TPMS Motor Tire Pressure Tyre Temperature Monitoring Alarm System with 2 External Sensors Descriptions: This tire pressure monitoring system is designed to provide you with an extra protection while driving. It will warn the tire condition of the car in advance. After installing TPMS, it can monitor the tire pressure and temperature in real time. If abnormal tire pressure and temperature are detected, the system will send real-time warning sounds and flashing icons on screen to inform you, avoiding traffic accidents. Features: - Supports solar charging - IP65 waterproof - High-efficiency solar panel with super long battery time - Built-in large capacity lithium battery, no worry in rainy days - Accurate monitoring of tire pressure and temperature stability all the way - LCD high precision display - High volume alarm sound alert - Long receiving distance, stable signal Specifications: Mani unit Working temperature: -20 ~ + 80 C Storage temperature: -30 ~ + 85 C Working voltage: DC 5V Frequency: 433.92MHz 20.00MHz Sensor Working temperature: -20 ~ +80 C Storage temperature: -30 ~ +85 C Pressure range: 0 ~ 6.6Bar Precise pressure: +/- 0.1Bar Accurate temperature: +/- 3 C Transmitting power: