Product: OLLGEN Multifunctional 4 in 1 Car Digital Clock in/Out Thermometer Voltage Monitor with Stand and Magic Tape
Brand: OLLGEN
Color: Black
Description of the function: 
 1. Date/Hour, Week/Sencond display, Switch the display between 12-hour and 24-hour. Press"Time" Key 2 seconds to enter setting status.If there is no any key operation for 60 seconds will automately exit the setting status.
 2. Alarm clock. 
 3. Snooze function with 5 minuters interval. 
 4. Swith temperature display between ℃ and ℉( Press "DOWN" Key ).
 5. Measure temperature, measurement range: -50℃-70℃ 
 6. Resolution of Thermometer: 1℃, precision:+-1.0℃. 
 7. Sampling period of thermometer: 20 seconds. 
 8. Car battery voltage indicator DC 12-24V.
 9.Temp metering duration:3 seconds
10.3-Meter (10 FEET) Sensor Wire

☆☆☆Note:☆This auto thermometer for car has two kinds of way for power ( car cigarette lighter plugged and backup battery when unplugged )


★★★Please NOTE: ★★★
 - NOTE: If the power is supplied by the car cigarette lighter when plugged ,backlight will light up and all the functions(including the time,temperature and volt ) will be displayed on the LCD Screen. 

★★★ If the power is supplied by backup battery when unplugged ,it will not have backlight and lcd screen will display the time ,outdoor & indoor temp only.

 It means if you use this item by backup battery in the daytime ,you may not be able to see ℃ and ℉ switch clealy (two LR44 battery included). 
 
 -OG is orginal Green and BU is Blue backlight, there are two colors of backlight for switch, you can choose the backlight as you like. 
 
 Product Specifications: 
 Work voltage: DC 12.0-24.0V 
 Water resisitant sensor cable length:3M(10 Feet) 
 Car charger cable length: 1.5M(59.1inch) 
 Item size: 130 x 50 x 2.4mm(5.11 x 1.97 x 0.94 inch) 
 Package size: 13.6 x 6.3 x 4.7cm(5.4 x 2.5 x 1.9inch) 
 Item weight:132g(4.7ounces) 
 Package weight: 140g(4.9ounces) 
 
 Package Included: 
 1 x Automotive Electronics Voltage thermometer 

Portable and mini design with size 130mm x 24mm x 50mm (5.11 x 0.94 x 1.96in ) , plug and play, easy to use and accurately measure.
This auto thermometer for car has two kinds of way for power ( car cigarette lighter plugged and backup battery when unplugged ).If the power is supplied by the car cigarette lighter when plugged ,backlight will light up and all the functions(including the time,temperature and volt ) will be displayed on the LCD Screen. If the power is supplied by backup battery when unplugged ,it will not have backlight and lcd screen will display the time ,outdoor & indoor temp only.
Date/Hour, Week/Sencond display, switch the display between 12-hour and 24-hour, inside and outside Celsius/Fahrenheit temperature reading, swith temperature display between ℃ and ℉( Press "DOWN" Key ).
★★★ NOTE: OG is orginal Green and BU is Blue backlight, there are two colors of backlight for switch, ★★★ you can choose the backlight as you like(Slilde the switch to the side of the color which you like).
Snooze and Alarm Function,Outside sensor with 6.6 feet cable, warns driver of black-ice conditions by alarm.★★★Press "DOWN" Key 2 seconds , it will turn on the outdoor Freeze-Alarm .

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