Features: --Time/Date display,12/24 hour system conversion.--Capable of switching temperature display unit Celsius / Fahrenheit degree.--Alarm function--Snooze function,snooze time:5 minutes--Measure temperature, measurement range:-5070--Thermometer's resolution:1;accuracy: 1.0--Temp metering duration:20 seconds--Car battery voltmeter--Two colors of Backlight for choices.If the power is supplied by the car cigarette lighter when plugged,backlight is light up and all the contents(including the time, temperature and volt) will be displayed on the LCD screen. If the power is supplied by the backup battery when unplugged, there is no backlight and LCD screen will only display the time. Specifications: --Backlight Color:orange/ green(there would be no backlight when it is powered by batteries.)--Power By:Button Battery Or Cigarette Lighter Thermometer Clock With Box: Feature: --Two-in-one function of electronic clock thermometer --It can be switched 12/24 hours. --Built-in Digital Clock and Temperature Gauge, driver can learn the time and temperature conveniently to arrange the driving time appropriately. --Large- LCD screen, you can clearly display the time, date and the second, visual effects at a glance. --With blue luminous, you can easily learn the current time at night just one click. --Dot-matrix LCD electronic clock, full of science and technology, beautiful and delicate streamlined appearance. --The angle of the base bracket can be adjusted up and down, and it can be directly attached to the curved surface or other positions with double-sided adhesive. --Start the digital LED blue backlight with one button, which is convenient for use at night. [Installation method]: x Clock setting: press the A key for three seconds to set the hour position, press the B key to adjust the hour value, press the A key to set the minute, and press the B key to adjust. Minute (adjust the minute second of time to 0) and then press the A key to confirm and exit. When adjusting the value, press and hold B for quick addition. When setting, if no key is pressed for more than 60 seconds, it will automatically confirm and exit the setting. (Please read the instructions for details) Packing list: 1 Set Car Digital Clock Thermometer