Input voltage: DC 8V-36V; output temperature: -10℃~80℃
This voltage thermometer shows red and blue light, you can check the voltage and temperature in low-light environment.
This Digital Voltmeter Thermometer is easy to install, and you can install it anywhere you want, such as car interior, office, workbench, etc.
Installing Voltmeter Thermometer in the car enables you to monitor the car battery voltage and the temperature inside the car to ensure safe driving.
If there is any question,please feel free to contact us,we will do our best to help you solve the problem.