VST 7045V Car Thermometer Clock Voltmeter with Blue Backlight

PRODUCT DESCIPTION:
7045V car thermometer, car clocks, car voltmeter, blue back light.1. screen display: hours, minutes, seconds, day, indoor temperature, outdoor temperature and voltage.2. Can 12/24 hour switch.3. With alarm and snooze function.4. Temperature can be switched to display Celsius or Fahrenheit, the temperature measuring range: -50~70 degrees Celsius. Temperature measurement sampling period of 20 seconds.5.LED backlight. There used car powered backlight and LCD display entire content; when backup battery power to use, no backlight and LCD display only the time.6. The car battery indicator: 12V.7. frost alarm function. Time on the display interface, press and hold degrees Fahrenheit switch button for 2 seconds to open or close the indoor and outdoor frost alarm. When the frost alarm is turned on, and the temperature inside (-1-4C) degrees Celsius, it will be issued a 30-second alarm, its symbol flashes.