Muchmore Racing race helper has digital LCD. Displays temp, humidity, and time simultaneously. Alarm function. Two installation methods. Temp Range (-30 degrees celsius to 50 degrees celcius). Humidity Range (10% - 99%). Celsius - Fahrenheit. Fahrenheit - Celsius. Blue in color.
One AAA size battery (1.2 to 1.5V)
this is a good tool for knowing the temp and humidity time also I would recommend this product