Digital Instant Read Thermometer Hygrometer, TIAMAT Indoor Temperature Humidity Meter Detector, Electronic Thermometer for Kitchen, Indoor Garden, Cellar, Fridge, Closet - lavender Temperature and Humidity Monitor: Measures temperature and humidity from -45 to 158F (-50 to 70C) and 10-99% RH with approximate numbers. (The temperature display resolution is 0.1c /0.1f and the humidity display resolution is 1%)