12V LED 3in1 Car Digital Electronic Clock Temperature Thermometer Voltmeter Plug<br /><br />Specification:<br /><br />Display mode: LED<br />Colors: Blue<br />Dimension:96x43x21mm<br />Opaerature voltage: 5-28V<br />Voltage range:5-20V<br />Operating temperature: -40\u2103 to +75\u2103<br />Wire lead length:4m<br />Display modes:1.Time Dispaly;2.Temperature Display;3.Voltage Dispaly;4.Alternate Display Time,Temperature and Voltage<br /><br />Package Included:<br /><br />1 x LED Panel Electric Clock Voltage Meter + Temperature Monitor<br />1 x 3M Glue