Product Parameters
Dimensions: 9.5cm * 5cm
Supply voltage: 9V-15V
Measuring temperature range: -20 to +80
Clock error: 0.3 seconds / day
Voltage error: 0.3V
Operating temperature range: -20 degrees to 80 degrees
Operating Current 10mA
Power: 0.6W

Features
1， the product of LED digital display， operating temperature range: -20 degrees to 80 degrees， winter can be used， the problem does not appear black;
2， with a clock， temperature， voltage three functions， loop display the measurement results;
3， compact， easy collection;
4， easy to install， plug the cigarette lighter can be used;
5， after power has a memory function.

Usage
1， the time-temperature cycle mode voltage. (10 seconds to 5 seconds and then five seconds temperature voltage loop display without buttons.)
2， when the time deviation is large， please change the button battery. (Use for some time)
3. Use buttons: buttons are used to adjust the time.
4. After all the settings are complete， with power and memory function.
5. Use the keys to adjust the time. Please refer to the product packaging， paper back of the card has a detailed explanation.