E-ACE Smart Car TPMS Auto Monitoring External Devce Tyre Pressure Monitoring System Security Alarm USB TMPS Tyre Pressure Sensor parking sensors for cars Specifications and functions Solar power charging, dont need to charge by connecting car cigarette lighter Colorful LCD Digital displaying, clear to show tire information 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 Wireless connect by sensors, easy install Build-in sensors and external sensors options, meets all your need Freescale chip sensors and fit on almost 98% cars on market 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 Built-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: +2 Years External sensors are easy to install, and very convenient to replace, All the buyers can enjoy the benefit that we can send the sensor if the received one were defective, This K04 and K01 TPMS are portable and functional Great after sale service will be provided For 4 Wheels cars and can recognize the tyre pressure 0~3.5 Bar Different Choice Useful for most of cars Multiple Functions Waterproof Anti-stress Shockproof Dustproof USB & Solar Power Charge Difference between External and Internal About The External Sensor About the Built-in Sensor Security Alarm Installation Display Product Display for K04/K04P Product Display for K01 Pacakge