The range of the digital hygrometer thermometer is 10% RH-99% RH with a tolerance of ±5% RH; The thermometer range is -4℉ - 158℉ (-20℃ to 70℃) with a tolerance of ±1.8℉ (±1℃). Suitable for indoor, greenhouse, wine cellar, baby room, guitar room or office. This room temperature and humidity monitor allows you to easily monitor real-time temperature and humidity and make appropriate adjustments. Proper indoor humidity control is beneficial for skin, allergens and more. With its high-precision readings and wide measurement range, this product is the perfect digital hygrometer thermometer for home to give you the best living conditions. This garage thermometer is also available as a room thermometer for baby nursery, humidor, greenhouse and more. Clear LCD Humidity Monitor The indoor home thermometer has a large LCD display with big bold numbers and easy to read even from a distance. The portable indoor digital hygrometer is not only lightweight, compact and easy to put in your pocket and