Digital Tire Preure Monitor External/ Internal Real-time Display Solar Power&USB Charge LCD Display Auto Security Alarm Device Features: 1.Real-time Display with Alarm Function:The TPMS monitor features a solar-powered display panel that provides real-time monitoring of tire preure and temperature for all four tires. The display panel shows accurate readings and incorporates an alarm system that alerts you in case of abnormal tire conditions, ensuring you can take prompt action to maintain tire safety.2.Unit Switching for Convenience:With the ability to switch between temperature units (/C) and tire preure units (Psi/Bar), this TPMS monitor offers convenience and flexibility. You can choose the unit measurement that you are most comfortable with or that aligns with your regional standards.3.Continuous Real-time Monitoring:The TPMS continuously monitors the preure and temperature of all four tires. By providing real-time data, it helps you detect any abnormalities promptly, such as low preure or high temperature, allowing you to take preventive measures before they become serious iues. This ensures optimal tire performance, fuel efficiency, and overall vehicle safety.4.Flexible Power Options:The TPMS monitor can be charged using solar power by harneing energy from the sun during daylight hours. Additionally, it can also be charged via the included USB cable, offering flexibility and ensuring uninterrupted functionality even on cloudy days or during nighttime. You can choose the charging method that best suits your needs and availability.5.Wide Application Range:The TPMS system is compatible with vehicles equipped with four tires and maximum tire preures below 3.5 BAR. It is suitable for a wide range of vehicles, including commercial vehicles, SUVs, off-road vehicles, small vans, and sedans. Whether you drive a work truck, an adventurous SUV, or a compact car, this TPMS system will help ensure the safety and longevity of your tires. Specification:Item Type: Alarm Systems & SecurityOrigin: Mainland ChinaMaterial: ABS+PCColour: BlackStyle: external / internal optionalPreure unit: BARTemperature unit: Working frequency: 433.92MHZWorking voltage: 3.0-4.2VWorking current: 3MAUSB charging current: 250MAWorking environment: -20~+70Storage temperature: -40~+85Sleep current: 100UACharging method: solar/USB cableMonitoring temperature range: -40C~+90CMonitoring air preure range: 0~4BARPacking size: 160*130*43mm Note:Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!Please allow 1-2cm measuring deviation due to manual measurement. Tire preure monitor*1Sensor: built-in*4/external*4Anti-theft nut*4Data cable*1Wrench*1Manual*1