ITEM NAME:12V 3 In 1 Car Auto Time Clock Thermometer Voltmeter LED Digital Temperature Product Description Description: Key Features: It looks the same as the original car interior trim appearance. The clock as accurate, showed clear. Shell material for high temperature resistant plastic, has anti-aging, long life characteristics. Time and temperature display take turn, Once display mood be set, no need to set next time. Manual correction of temperature measurement error, correction range:- 5~5C power cut memory function cable length: 3meter(Approx.) 3M double-sided adhesive in back side Temperature measurement range:-55~130`C. 12V use Seven kinds of display mode: 1.only the time. 2.only the date. 3.only the temperature. 4.only the voltage. 5.Alternate display time temperature and voltage (dd:0). 6.Alternate display time and voltage(dd:1). 7.Alternate display time and temperature(dd:2). Inclus: 1XClock 1XEnglish manual 1X3M double-sided adhesiv.The clock as accurate, showed clear. Shell material for high temperature resistant plastic, has anti-aging, long life characteristics. only the temperature. Seven kinds of display mode 3M double-sided adhesive in back side.