Features 1.Imported high- and low-temperature resistant automotive-grade plastic materials are used and the high and low temperature range is -40~75 not afraid of exposure high temperature does not deform low temperature does not embrittlement. 2.The display device adopts imported long-life high-brightness LED digital tube the font light is soft and not dazzling the brightness is moderate and not dazzling no matter under the bright sunlight or the bright moonlight the current time can be clearly and accurately displayed. 3.Integrate three functions of time temperature and voltage in one. 4.It is easy to install with 1 piece of double-sided adhesive with 1mm thickness. 5.The streamlined appearance is highly consistent with the original car interior style. Specification There are 4 display modes: Only show time Only display temperatureWith temperature error manual correction function setting range -5~5Built-in imported ultra-long life memory battery the car will continue to travel after power offExtremely small size: length 133mm* height 23mm* width 26mmFont color: blue (pictured)Material: Plastic Package List 1*Voltmete