Clear-display measuring instrument: vehicle voltmeter, digital car thermometer, hygrometer, home accessory

Features:

1. Large screen display for clear and precise data display, easy to read.
2. Supports year, month, day, hour, minute, and week display, 12/24-hour system conversion, and Celsius/Fahrenheit temperature display switching.
3. Wide temperature measurement range, indoor humidity measurement function, and simple operation.
4. 1-minute alarm and 5-minute snooze function; you can set your own alarm.
5. With vehicle power backlight function, low power consumption, energy saving, and environmental protection.

Specifications:

Features:
Large data display screen configuration, clear and precise data display, easy to observe.
Supports year, month, day, hour, minute, and week display, 12/24 hour and Celsius conversion, and Fahrenheit temperature display switching.
It has a wide temperature measurement range, an indoor humidity measurement function, and a simple operating method.
1-minute alarm setting, 5-minute snooze function; you can set your own alarm.
With vehicle power backlight function, low power consumption, energy saving, and environmental protection. Supports high and low temperature and humidity alarm settings, can display the moon phase, and includes a weather forecast function. It can monitor the battery voltage in real time and digitally display the current voltage. The voltage status indicator shows that when the voltage is too high or too low, an audible alarm will sound.
Specification:
Condition: 100% Brand New
Material: ABS
Temperature Range:
Outdoor: -50℃ to 70℃ (-58℉ to 158℉)
Indoor: -10℃ to 60℃ (14℉ to 140℉)
Application: Universal 12-24V
Battery: 1 x 2032 button cell battery (battery not included)
Package List:
1 x Instruction Manual
1 x Car Clock (battery not included) (not included)
1 x Stand
1 x Cigarette Charger
Instructions:
1. Press the "MOTE" button during normal time to cycle through the following functions: general time - alarm status - date status - lowest temperature humidity - highest temperature humidity - indoor and outdoor temperature/humidity.
2. Press the "RECELVE" button during normal time to display the highest and lowest temperature humidity settings.
3. Press the "SET" button to cycle between Celsius and Fahrenheit during normal time.
Setting the Time:
1. Press and hold the "SET" button Press and hold for 2 seconds in normal time display mode to enter time setting mode.
2. Press the "RECEIVE" button to switch between 12/24-hour display.
3. Press and hold the "SET" button for one minute to flash the time, press the "RECEIVE" button to increase the minute, and press and hold to speed up the setting.
4. Press the "SET" button to flash the hour, press the "RECEIVE" button to increase the hour, and press and hold to speed up the setting.
5. Press the "SET" button to return.
General Time Status Alarm Settings:
1. Press the "MODE" button in normal time display mode to enter alarm mode.2. Press the "SET" button for 2 seconds to enter alarm setting mode; the alarm will flash. 3. Press the "RECEIVE" button to display the alarm, turn on the overall harmonic, turn on the alarm and all points, or turn off the alarm and all points. 4. Press the "SET" button; the minutes will flash. Press the "RECEIVE" button to increase the minutes value. Press and hold this button to speed up the setting. 5. Press the "SET" button; the hour will flash. Press the "RECEIVE" button to increase the hour value. Press and hold this button to speed up the setting. 6. Press the "SET" button to confirm the alarm setting and return to normal time. 7. When the alarm sounds, press any key to stop it, press the "ADJUST" button to pause, and then pause again after 5 minutes.
Date Setting:
1. Double-press the "MODE" button during normal time to enter date setting mode.
2. Press and hold the "SET" button for 2 seconds; the year will flash. Press the "RECELVE" button to increase the year value. Press and hold this button to speed up the setting.
3. Press the "SET" button; the month will flash. Press the "RECELVE" button to increase the month value. Press and hold this button to speed up the setting. 4. Press the "SET" button; the date will flash. Press the "RECELVE" button. To increase the date value, press and hold this button to speed up the setting.
Switching between indoor and outdoor temperature:
1. Press the "MODE" button 5 times to enter indoor and outdoor temperature setting mode. At this time, "LNT" or "EXT" will flash.
2. Press the RECELVE button to select the indoor and outdoor temperature: "LNT" for indoor and "EXT" for outdoor.
3. Press the "MODE" button to confirm and return to normal real-time mode.
Other functions:
Insert the cigarette lighter adapter into the car. Once the vehicle is started, the number on the right side will display the current battery voltage in real time.
A. If the battery voltage in the car is displayed below 11.5V, this product will emit a BB sound. At this point, the battery voltage is very low and the vehicle may stall. The vehicle should be tested immediately.
B. If the battery voltage in the car is below 11.9V and above 11.5V, the battery voltage is low and the vehicle should be tested.
C. If the battery voltage in the car is displayed between 12.0 and 14.9V, this is normal.
D. If the battery voltage in the car is displayed above 15V, this means the battery voltage is too high and the vehicle should be checked.