Car Smart Solar TPMS Tire Pressure Monitoring System Solar Power Digital TMPS LCD Display Security Alarm Tire Pressure Sensor Specifications and functions Support solar power charging , dont need to charge by connecting car cigarette lighter Colorful LCD Digital display , show tyre pressure clearly Rear-time monitoring pressure & temperature of 4 tires Low air pressure/high temperature alarm High Temperature / Leakage / Low Battery Alarm Intelligent Shock Boot when car moving, dont need to turn on/off Easy to install the external sensors There are two options , Build-in sensors and external sensors, it will meet your need Fit in almost 98% cars on market Build-in Sensor ( Optional ) Please install in by Professional car center More stable and accurate Anti High Temperate and Cold IP67 Protection / Waterproof Working Temperature: -40-125 Battery Life: 5 Years External Sensor (Optional) Easy to install, convenient to replace Dust-Proof / Water-Proof / Anti-theft Anti High Temperate and Cold IP67 Protection / Waterproof Working Temperature: -20-80 Battery Life: 2 years replaceable 4 batteries as a gift, service life of external sensors Main Functions Suitable for many kinds of car Can adapt to various environments Why choose us ? Differece between K01 and K02 K01:Easy and convenient to install K02: Once and for all How to choose the sensor type External sensoreasy to install and disassemble, convenient and fast Built-in sensor:long battery life, more accurate temperature measurement, anti-theft How to install K01 External Sensor K02 Built-in Sensor Packing list