This product has many functions, such as thermometer, voltage meter, freeze alert, clock etc. It is accurate. It can show inside and outside temperature of car. It can show celsius degree or fahrenheit degree. When connect with car, its back light is light up. Main Features: - The base is adjustable. - It shows synchronously the temperature of inside and outside the car, car battery voltage and time / date display, 12 / 24 hour system conversion. - It can as a alarm. - It also has the function of freeze alert. - Snooze function, snooze time is 5 minutes. - Capable of switching temperature display celsius / fahrenheit degree. - It can measure the temperature of the car from - 10 to 50 celsius degree. - The temperature test duration is 60 seconds. - When it connects with car, its back light is light up and all the contents (including the time, temperature and volt) will be displayed on the LCD screen. - If the power is supported by the backup battery when unplugged, there is no backlight and LCD screen will display the time, outdoor & indoor temperature. - It is suitable for advertising promotion, festival, awards ceremony, the anniversary celebration, opening ceremony etc. - It tests temperature accurately, so please install away from engine, in order to avoid the hot engine affect measurement results.
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