LED panel digital display, reading in seconds, more intuitive, quick and 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 voltmeter.Display accurate temperature readings in and outside of the car. Alert you to your car battery's voltage and its alarm sensor notifies you of excessive or under normal voltage operations. The LED backlight design allows you to accurately read the digits in the dark. Voltage: DC 12 - 24V Base Diameter: 4.5cm Power: 0.6W Power cord length: Approx. 150cm Temperature sensing line length: Approx. 200cm Display Type: Digital LCD display Stand-by power: 2 x LR44 button cell (included) Temperature display resolution: 1 degree Temperature accuracy: Plus / minus 1 degree Temperature measuring duration: 60 seconds Special function : Time display (12 / 24hour), date display, dual temperature display, alarm clock, snooze function, frost alarm function, automobile storage battery voltage indicator function, LED backlight The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use Colour: Black Material: ABS Package Contents: 1 x Digital Clock Set Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.