Tire Preure Monitoring System OBD TPMS For MitsubishiFor Outlander 3 2014-2020For Xpander 2018For Eclipse Cro 2018 MirageFor Outlander PHEV 2013PackageIncluding:1.Displayer/Button2.OBDplugConnector3.Installationtool4.UserManual OBD TPMS advantages: 1. No need to disaembly device, easy to install. 2. No need to install sensors and replace battery. 3. Safety, it utilize original car ABS data to judge the tire status . can discover tire hidden danger intime. OBD TPMS disadvantages:1.display the value is not the actual tire preure value . This TPMS device no need to sensor to work ,it through connect car OBD connector to get tire ABS data to monitor tire safely. Working principle:When the tires are underinflated , the tire radius become smaller , wheel speed become higher , when the tires are overinflated , tire radius become larger at the same time wheel speed become lower .The Car OBD get the original ABS data , once tire underinflated , it result to abnormal data , then monitor alarm . Notice : the screen show the value is not the actual tire preure value, it an is analog value of the tire preure. the monitor screen show "2.4''mean tire preure normal . when the tire preure leak up 20%-25%.it will show "1.8" and alarm. when the tire preure leak up 50% or more.it will show "1.0" and alarm. Learning /Testing steps: after install.check and ensure the four wheel tire preure normal . keep preing the "L"button for 5s till hear the music sound then release your hand.then the screen show as P1. On the flat road ,drive for 1km and control speed lower 70km/h,then the monitor finish learning proce.monitor show as P2(display P1 and P2 ,please see the instruction manual). Don't stop car to test, it will nottest the tire status if stop the car to test.