Mini Solar Powered Motorcycle Tire Pressure Monitoring System with 4 External Sensor for Real-time Synchronously Monitoring, 7 Alarm Modes for Early Abnormal Alert to Avoid Risk of Flat Tire, Reduce Vehicle Wear, Save Fuel Consumption and Improve Vehicle Comfortableness and Driving Safety. Suit for maximum tires pressure below 6Bar, like cars, commercial vehicles, off-road vehicles, jeeps and minibuses. Features: Full-Color Screen Real-Time Monitoring -- Ultra compact size designed with a large full-color high definition screen to monitoring 4 tires simultaneously, displays the tire pressure and temperature in real-time and provides visual and audible alarms when abnormal conditions occur. Auto Solar Power + USB Charge -- 800mah large capacity battery supports USB cable charging and auto solar charging. Adopt high grade durable solar panel our TirePressureMonitoringSystem is solar automatic charged, without occupying the car cigarette lighter socket and manual charging, to ensure the tire pressure monitoring system could work continuously. 7 Types Alarm -- Our Tire Pressure Monitoring System provides 7 alarm modes, including fast leak alarm, high/low-pressure alarm, high-temperature alarm, sensor low voltage alarm, and sensor fault alarm and display low power alarm. 4 Wireless Senser --- Come with 4 external TirePressureMonitoringSystem sensor in total suit for vehicles with 4 Tires. Easy installation, strong anti-interference ability, for real-time stable and clear signal transmit. The pressure and temperature data can be switched, with pressure unit: PSI/Bar and temperature unit: C/F selectable. Scope of Application -- The TirePressureMonitoringSystem suitable for tire pressure below 6Bar, like cars, commercial vehicles, off-road vehicles, jeeps and minibuses. Specification: Color Black Receiver Host Display: LCD color screen Operating Voltage: 3.7-5V Working Temperature: -20~75 Working Frequency: 433.92MHZ Test The Reception Sensitivity: -90dbm USB Input Current: DC 5V 1.5A Battery Capacity: 800mA Solar Charging Current100mah Sensor Working Frequency: 433.92MHZ Tire monitoring Range Value: 0~6Bar Accuracy: ±0.3bar Tire Temperature Monitoring Range Value: 20 ~ 80 Accuracy: ±5 Battery lift: 5 Years Packing List: 1 * TirePressureMonitoringSystem 4 * External Sensor 2 * Sticker 1 * USB Charging Cable 1 * Wrench 4 * Anti-lost Nuts 1 * User Manual