Bullet Points: 1Practical for Use: APP compatible with Android DVD navigation. Voice alert when abnormal tire preure. Pure copper valve core can withstand greater preure impact.2Easy to Use: Plug and play, easy installation. Display preure or temperature of 4 tires at the same time. You can also choose a package that shows spare tires.3Adjustable to Use: Adjustable high and low tire preure alarm value. The tire matching mode makes it easy to rematch new sensors. The tire change mode makes it easy to change any two tires.4Low / High Preure: High temperature alarm. Slow and rapid air leak alert during tire puncture.5Optional Tire Preure Units: Bar, Psi, Kpa, Kg.MainFeatures:PowerfulTPMS:1.Tirepreuremonitoringsystem(TPMS)canmonitortirepreure/temperaturestatusinrealtime.Itwilltransmitreal-timevoicealertsandflashsirenstoreminddriversofvehiclecomfortanddrivingsafety.2.Displaytirepreureandtemperatureatthesametime.3.Leakagewarning,lowpreurewarning,highpreurewarning.4.Hightemperaturewarning,lowbatterywarning,nosignalwarning.WideApplication:Thiystemiswidelyapplicabletovehicleswith4tires,withamaximumtirepreureof8.0bar.Suchascommercialvehicles,jeep,off-roadvehicles,minibusesandcars.4PCSSensors:Weoffer4kindsofsensors,suitableforuseinrainydays.Inaddition,theyhavehighsensitivityandgoodaccuracyinmeasuringpreureandtemperature.Specification:Internalsensor:Workingpreure:0-51psi/0-3.5barPreureaccuracy:plusorminus1.5psiTransmiionfrequency:433.92MHzWorkingtemperature:minus20-85degreesCelsiusStoragetemperature:minus40-plus125degreesWorkingvoltage:2.0-3.6VWaterproofratingIP67Battery:built-inCR2050buttonbatteryBatterylife:2-5yearsExternalSensor:Workingpreure:0-51psi/0-3.5barPreureaccuracy:+/-1.5psiWorkingfrequency:433.92MHzWorkingvoltage:2.0-3.6VWaterproofratingIP67Workingtemperature:minus40-85degreesCelsiusStoragetemperature:minus40-plus125degreesBattery:built-inCR1632120mAhbuttonbatteryBatterylife:1-2years(canreplacebattery)PackingList:1*TPMSReceiver4*ExternalSensor1*Wrench4*Anti-theftNut1*Pad 1*UserManual