Cultiv8 Digital Thermometer with LCD Display - Hygrometer Temp Humidity - Easily monitor both the temperature and humidity, in your tent or grow room, with this handy Thermo Hygrometer from Seahawk. Records maximum and minimum readings. Measure the indoor humidity and temperature of your 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. The green display is used to avoid interference with the plant night cycle while observing readings.