E-ACE Electronic Clock Car TPMS 4 Wheel Tyre Preure Monitoring System Solar Power USB Charge TPMS Auto Security Alarm Device Specifications and functionsSupport solar power charging, don't t need to charge by connecting car cigarette lighterColorful LCD Digital display, show tyre preure clearlyRear-time monitoring preure & temperature of 4 tiresLow air preure/high temperature alarmHigh Temperature / Leakage / Low Battery AlarmIntelligent Shock Boot when car moving, dont need to turn on/offEasy to install the external sensorsThere are two options, Build-in sensors and external sensors, it will meet your needFit in almost 98% cars on marketWith time display like the watch, it's more convenient to know the time External Sensor (Optional)Easy to install, convenient to replaceDust-Proof / Water-Proof / Anti-theftAnti High Temperate and ColdIP67 Protection / WaterproofWorking Temperature: -20-75Battery Life: 2 yearsreplaceable 2 free batteries as a gift, service life of external sensorsAttention: Dear buyer, we have the full set customer service. If you need to know more about the productthe packagethe shipment and the delivery, etc, please contact u Main feature Real time monitoring, security auranceWork well under the different tough situationSuitable for most of the carsTime display together with the 4 sensorsSolar power and USB charge About how to set the time1. In the stanby mode,