Normal time LCD displayThe back light maintaining 5 secondsFashion， light and portableDigital read time and temperaturePlease take out batteries and reload it again if display is abnormal， and time need to be resetPress Light to turn on 5 minute maintaining backlightSize: 85 x 17mm(L x D) (Approx.)Color: Appearance is Black+Silver， Backlight is BlueNote:This item can only display year，time and temperature，can't display month and day.Display the temperature only in Celsius，can't display in Fahrenheit.Time setting sequence as follows:press UP/2/24 to shift 12/24 hours formatpress SET for 2 seconds into time setting modepress SET again into setting and sequence as follows: HOUR--MINUTE--CONFIRMEDIn setting mode， press UP 12/24 to adjust number upPackage content:1 x Car clock thermometer