This product can inspect your automobile at real time effectively,there temperature lower freezing point.There are alarm voice and lamp to remind you to checking the storage battery as the voltage is excessive or too low.You can maintain your automobile by the real time data of voltage.

Features:
● 100% brand new and high quality.
● The car both inside and outside temperature sensing. Temperature measurement Meeting Wai as: -20 to 70 degrees.
● When the temperature is below -1 degrees, ice alarm warning lamp lights up.
● Real-time monitoring of the car battery voltage, the figures show that when the voltage.
● The voltage of the state pattern instructions, the voltage is too high or too low, the alarm sound and lighting tips.
● Blue, orange backlight color conversion.
● This product is effective real-time Pro control your car when the temperature is freezing, warning lights alert you to ice the knot your car damage.
● When the battery voltage is too high or too low, the sound and light alarm detection, and can warn you in advance, so that valid data in real-time can be Pro control, alarm and data and can be noted in the above car care and maintenance.

How to use:
1. The car cigarette lighter plug in the car cigarette lighter, and outdoor inside the probe placed on the vehicle door is fixed, open cars, the display shows the current temperature inside the vehicle (labeled IN) and electric battery voltage.
2. Press the IN / OUT button to display the outdoor temperature (OUT display).
3. When the car outside temperature is below -1 degrees below, the ICE indicator will light, suggesting that low temperature outside your car, pay attention to the vehicle's anti-icing maintenance.
4.The right side of the digital real-time display of the car battery voltage.
★ If the car battery voltage is below 11.5V, the right side of this product VOL red LED is lit, and BB rang. The right of the display pattern, then the battery voltage is too low, turn off the risk of vehicle, and the need to immediately detect the vehicle. Then press the ALERT button to lift the low-voltage alarm sound.
★ If the car battery voltage is below 11.9V, the right side of this product VOL red LED is lit, the right of the display pattern, then the battery voltage is low,the need for vehicle detection.
★ If the car battery voltage is 12.0 ------ 14.9V when the right side of this product VOL green LED is lit, the right of the display pattern, then the battery voltage is normal.
★ If the car battery voltage is above 15V, the right side of this product VOL red LED is lit!
5. To promote the switch on the side, you can switch between blue, orange backlight color.
6. Such as the use or some other factors to show abnormalities, can also be used thin, pointed object press the RESET button (the back), re-use can.

Color:Black
Material: ABS
Indoor and outdoor temperature display,measuring range:Indoor:0-50,outdoor:-50o-70o
Icing alarm display will turn on as temperature lower -1o-4o
emperature display in °C or °F
12/24 hour format display.
Power:clock and in/out temperature:2*AG13 batteries (not included)
back light Voltage 12V
Product Dimensions: 13.5 × 3.4 × 2.5(L * W * H)cm
Screen size: 9.5 x 1.5(L * W )cm
Cigarette lighter plug extension cable length: 1.5 m
The outdoor sensor extension cable length: 1.35 m

1 * Car thermometer and in-car voltage alarm

batteries not included