12V\/24V In\/Out Car Voltage Meter LCD Digital Clock Time Blue&amp;amp;Orange Back Light<br /><br />Features:<br /><br />Digital clock,car voltage display at real time.<br />Indoor and ourdoor temperature display, 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 ,put temperature sensor outside and fix it at car door edge , then run the car ,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 ,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 , 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