Solar Car Tire Preure Monitor High Precision Digital TPMS 4 External/Inner Sensor Tyre Preure Detector Security Alarm 400mAh Feature:1. Accurate and Real-time Data Display:The tire preure monitoring system ensures accurate and real-time display of tire data. Stay informed about your tire preure at all times, helping you maintain optimal tire conditions for safety and performance.2. Intelligent Design for Convenience:The smart tire preure monitor can be placed on the windshield or dashboard, allowing you to easily view the tire data without lowering your head or obstructing your line of sight. It saves space and provides a hale-free monitoring experience while driving.3. Clear Visibility with Audible Alerts:The large screen of the digital TPMS offers clear visibility while driving. Additionally, it features an audible alarm that alerts the driver in case of any abnormal tire preure or temperature, ensuring prompt attention and action.4. Wirele Transmiion and Instant Warnings:Utilizing wirele transmiion technology, this digital tire preure sensor's sensors immediately send warnings when detecting abnormal tire preure or temperature. Stay ahead of potential iues and prevent accidents by receiving timely alerts.5. Solar-powered and USB Charging:The tyre preure detector is equipped with a built-in solar panel and a USB port, allowing continuous operation through either USB charging or sunlight. This ensures the tire preure monitoring system remains functional, providing peace of mind during your journeys. Specification:Origin: Mainland ChinaModel Number: Car Tire Preure MonitorReceiver:Operating frequency: 433.92MHzWorking voltage: DC 5VPreure unit: bar/psiOperating temperature: -20~+85Storage temperature: -40~+125CBattery capacity: 400mAhExternal sensor:Operating frequency: 433.92MHzPreure range: 0-5.6 barPreure accuracy: 0.1 barWorking voltage: 2.0-3.6VWaterproof grade: IP67Operating Temperature: -20~+85CStorage temperature: -40~+125CBattery: CR1632Battery life: 1-2 years (replaceable battery)Size: 21 x 17mm/0.8 x 0.7inchInternal sensor:Operating frequency: 433.92MHzPreure range: 0-5.6 barPreure accuracy: 0.1 barWaterproof grade: IP67Working temperature: -20~+85Storage temperature: -40~+125CBattery: CR2450 (non-removable replacement battery)Battery life: 2-3 yearsSize: 75 x 55mm/3.0 x 2.2inchType(optional): external/internalPackage size: 192 x 131 x 56mm/7.6 x 5.2 x 2.2inchInstallation Notes: There is a solar panel power cord inside, please do not turn back and forth at a large angle when adjusting the angle! 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. 1set xCar Tire Preure Monitor