Material: The digital thermometer/hygrometer is made of high quality ABS material, sturdy and durable. The external probe has a sensor that allows you to accurately monitor the reptile's temperature and humidity.High Accuracy: Fast response, measuring every 10 seconds to provide updated and accurate readings, the humidity measurement accuracy is 5% and the temperature measurement accuracy is 1 degree Measuring Range: The humidity measurement range is 10%-99%, the temperature measurement range is -50-70 C, which can help adjust the parameters of the humidifier, dehumidifier and humidifiers, and monitor the life and health of the family.LCD Display: The round built-in thermometer and hygrometer with LCD display allows you to observe the measurement range very well, mini, durable and portable, enough to save space and carry it with you.Application: Designed for easy reading Accurate temperature and humidity measurement, very suitable for reptile glass containers, cigar boxes, incubators, cigar guitar boxes, greenhouses or other pet applications.Product DescriptionDescriptions:Display: LCD screenOpening diameter: 41 mmTotal diameter: 45.2Weight: 25 grams (one)Humidity measuring range: 10%-99% RHHumidity resolution: 1%Humidity sampling cycle: 10 seconds (1 minute)Humidity measurement accuracy: 5%Rated voltage: DC1.5v (1 AG13 button)Temperature measurement range: -50-70 C,Temperature measurement accuracy: 1 degree (under normal temperature)Features:Made of high quality ABS. LCD display, easy to read. The measuring range can be measured from -50 C to 70 C. Mini, durable and portable, enough to save space and carry it with you. The digital thermometer / hygrometer has a sensor on a single external probe. It is suitable for homes, offices, automobiles, schools, hotels, aquaculture and other places. Package includes: 2 x Digital Hygrometer / Thermometer (with probe) Note: Embedded installation, digital thermometer and hygrometer may have small errors, the humidity of the product at room temperature is about plus or minus 5%, and the temperature is about plus or minus 1 degree.