The temperature range of the digital hygrometer thermometer is 10% - 99% RH with a tolerance of ± 5% RH; the thermometer range is -20°C to 70°C with a tolerance of ± 1.8°F. Suitable for indoor use, greenhouses, basements, children's rooms, guitar rooms, or offices. With this room temperature and humidity monitor, you can easily monitor temperature and humidity in real time and make appropriate adjustments. Proper indoor humidity control is good for your skin, allergens, and more. With its highly accurate readings and wide measuring range, this product is the perfect digital hygrometer thermometer for your home to provide you with the best living conditions. This garage thermometer is also available as a room thermometer for children's rooms, humidors, greenhouses, and more. Clear LCD Humidity Monitor: The indoor thermometer features a large LCD display with large, bold numbers that are easy to read even from a distance. The portable digital indoor hygrometer is lightweight, compact,