VoltageDescription: 1.Thisproductintothecarcigarettelightersocket，thescreenwilldisplaythecarbatteryvoltage. 2.Canbeusedfor12Vcar，SUV， 3.Dependingonthebatteryandthegenerator，stabilizerdifferentmodels，thesignificanceofdifferentvoltagesarenotthesame. ThermometerDescription: 1.Canmeasurethetemperatureof-10~80℃vehicle. 2.Inordertoaccuratelymeasurethetemperature，externaltemperaturesensorintheproductoutsidewhenbentatthesensorcanbeusedinordertoavoidacarthatcouldaffectthemeasurementresultsoftheheatingparts(suchasbeingthesiteofthesun). Features: Real-timemonitoringofvoltage. Interiortemperaturemonitoring. Toanymobilephonecharger. Specifications: Color:Black Voltage:12V Electricalconnection:cigarettelighterplugandplay Packageincludes: 1xcartemperaturevoltagedetector