??12V\/24V In\/Out Car Voltage Meter LCD Digital Clock Time Blue&amp;amp;Orange Back Light<br /><br />Features:<br /><br />Digital clock¡ê?car voltage display at real time.<br />Indoor and ourdoor temperature display¡ê? measuring range: indoor(-50\u2103-70\u2103) ; outdoor (-50\u2103-70\u2103)<br />Icing alarm display will turn on as temperature lower -1-4 \u2103<br />12\/24 hour format display<br />Year \/ month \/ date display<br />Inspect and display real time automobile storage battery voltage<br />Orange and blue backlight is shiftable<br />Excessive or lower voltage alert function<br />Car cigarette power lead(12\/24V)<br /><br />Specification:<br /><br />Shell color: black<br />LCD display: 95mm(L) x 15mm ( W)<br />Product size: About 110mm x 23mm x 29mm<br /><br />Operation:<br /><br />1.Connect plug to car cigarette socket ¡ê?put temperature sensor outside and fix it at car door edge ¡ê? then run the car ¡ê?product will display indoor temperature (icon show IN) and car battery voltage.<br />2.Press IN\/OUT to shift to outdoor temperature display.<br />3.When temperture outside is lower than -1-4\u2103 ¡ê?ICE icon will display.<br />4.The number at right side is car battery voltage.<br />5.Press the side button to shift blue and orange color backlight .<br />6.If any abnormal display ¡ê? pls take out the battery for a while and reload it again.<br /><br />Package Included:<br /><br />1 x Digital Car Voltage Meter(Color random delivery)<br />1 x Car Cigarette Socket<br />1 x User Manual