Easily monitor both the temperature and humidity, in your tent or grow room, with this handy Thermo Hygrometer from Cultiv8. Records maximum and minimum readings. Measure the indoor humidity and temperature of your grow area or tent. 1.5m lead with stainless steel probe for outdoor temperature readings. Easily switch between degrees Celsius and degrees Fahrenheit. Boasts an accuracy of plus or minus 5%. Indoor temperature range of -9 degrees Celsius to 50 degrees Celsius. Outdoor temperature range of -50 degrees Celsius to 70 degrees Celsius. Strong stand to display the screen. Why get a Grow Room thermometer and hygrometer? Excessive humidity and heat will slow down the growth of your plant or cause damage. This thermometer lets you track the min and max temps and humidity in order to know when you need to make changes in the environment to speed up plant growth. Cultiv8 Thermometer Hygrometer Bonus! This digital display features a green backlight triggered with a button on the front. Use this when in the dark to avoid interference with the plant night cycle while observing readings.