Clear 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 time zone conversion, and Celsius/Fahrenheit temperature display switching
3.It has a wide temperature measurement range, an indoor humidity measurement function, and a simple operating method.
4.Sets a 1-minute alarm and a 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 time zone conversion; and Fahrenheit temperature display switching.
Features a wide temperature measurement range, an indoor humidity measurement function, and a simple operating method.
Sets a 1-minute alarm and a 5-minute snooze function; you can set your own alarm.
Includes a vehicle power backlight function, resulting in 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 model indicates that when the voltage is too high or too low, an audible alarm will be heard.
Specification:
Condition: 100% 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 not included)
Package List:
1 x Instruction Manual
1 x Car Clock (battery not included)
1 x Holder
1 x Cigarette Charger
Instructions:
1. Press the "MOTE" button during normal time to switch between 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 the normal time to display the highest and lowest temperature humidity settings.
3. Press “SET” key to switch between Celsius and Fahrenheit in normal time.
Time setting:
1. Press and hold the "SET" button for 2 seconds in the normal time state to enter the time setting state.
2. Press the “RECELVE” button to change the 12/24 hour display.
3. Press “SET” button for one minute to flash, press “RECELVE” button to increase minute, long press to speed up setting.
4. Press “SET” button to flash the hour, press “RECELVE” button to increase the hour, long press to speed up the setting.
5, Press “SET” button to return
General time status alarm settings:
1.Press the “MODE” button in the normal time state to enter the alarm state.
2. Press the “SET” button for 2 seconds to enter the alarm setting state, and the alarm will flash.
3. Press the "RECELVE" button to display the alarm, turn on the overall harmonic, turn on the alarm and all point, turn off the alarm and all point.
4. Press the “SET” button, the minutes flash, press the “RECELVE” button to increase the minute value, long press this button to speed up the setting.
5. Press “SET” button, the hour flashes, press “RECELVE” button to increase the hour value, long press 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, press "ADJUST" button to pause, then pause again after 5 minutes.
Setting the date:
1. Press “MODE” button twice during normal time to enter date setting.
2. Press “SET” button for 2 seconds, the year flashes, press “RECELVE” button to increase the year value, long press this button to speed up the setting.
?3. Press “SET” button, the month flashes, press “RECELVE” button to increase the month value, long press this button to accelerate the setting speed. 4. Press “SET” button, the date flashes, press “RECELVE” button to increase the date value, long press this key to speed up the setting.
Switching indoor and outdoor temperature:
1.Press the “MODE” button 5 times to enter the indoor and outdoor temperature setting state. At this time, “LNT” or “EXT” will flash.
2. Press the RECELVE button to select 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 into the car. After the vehicle is turned on, the number on the right side displays the current battery voltage in real time.
A. If the battery voltage in the car is displayed below 11.5V, this product will emit BB sound. At this point, the battery voltage is very low and the vehicle may stall. The vehicle must be tested immediately.
B.If the battery voltage in the car is less than 11.9 V and greater than 11.5 V, 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 14.9 V, this is normal.
D.If the battery voltage in the car is displayed above 15 V, this means the battery voltage is too high and the vehicle should be checked.