1. Display on the same screen: hours, minutes, seconds, indoor temperature, outdoor temperature and voltage (the new model 7013V has removed the seconds and day of the week functions, please be informed) 2. Can switch between 12/24 hour format 3. Equipped with alarm clock and snooze function 4. The temperature can be switched to display Celsius or Fahrenheit. Temperature measurement range: -50~70 degrees Celsius. The temperature measurement sampling period is 20 seconds. 5. LED backlight function, when powered by a car, there is backlight, and the LCD displays all content; when powered by a backup battery, there is no backlight, and the LCD only displays the time. 6. Car battery indication function: 12V 7. Frost alarm function: On the interface that displays the time, press and hold the Celsius or Fahrenheit switch key for 2 seconds to turn on or off the indoor and outdoor frost alarm. When the frost alarm function is turned on and the temperature is within the range of -1 to 4 degrees Celsius, an alarm will sound. 30 seconds alarm, its logo will flash 8. Date/time, week/second display function, 12/24 hour format conversion 9. Dimensions: 15.5x4.5x2.2cm
