Freeze alert LCD Dial Noctilucous CloCar Electronic Backlight 12V/24V 3 in 1 Car

Features:LED panel dial display, reading in seconds, more intuitive, quiand convenient.Time / date display, 12 / 24 hour system conversion.Snooze function, snooze time: 5 minutes.Capable of switching temperature display unit Celsius / Fahrenheit degree.Pedestal 180-degree revolve.Car battery .Powered by car arette charger or 2 x LR44 batteries (NOT included).Display accurate temperature readings in and outside of the car.Alert you to your car battery's voltage and its alarm r notifies you of exceive or under normal voltage operations.The LED backlight design allows you to accurately read the dis in the dark.Easy to install and use, a perfect acceory for your car.Also has the function of freeze alert.When it connects with car, its balight is light up and all the contents (including the time, temperature and volt) will be displayed on the LCD screen.Two colors of Backlight for choices.If the power is supplied by the car arette when plued,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 unplued,there is no backlight and LCD screen will display thetime,outdoor &.indoor temp.Car battery (DC 12V-24V）Specifications:Voltage: DC 12 - 24VBase Diameter: 4.5cmMaterial: Plastic, glaPower: 0.6WPower cord length: Approx. 150cmTemperature sensing line length: Approx. 200cmDisplay Type: Dial LCD displayStand-by power: 2 x LR44 on cell (included)Temperature measurement range: -10 - 50 degreesTemperature display resolution: 1 degreeTemperature accuracy: Plus / minus 1 degree tion: 60 secondsSpecial function : Time display (12 / 24hour), date display, dual temperature display, alarm clock, snooze function, frost alarm function, automobile storage battery voltage indicator function, LED backlightBacklight Color:orange/ blue(there would be no backlight when it is powered by batteries.)Package Included:1 x Manual1 x Dial CloSet