This item is an unopened box containing 2 Siemens QAA2230.EWNN temperature sensors. The sensors have a relative humidity accuracy of ± 2% and function to measure both temperature and humidity. The brand of the sensors is Siemens, which is known for producing high-quality industrial automation and motion control products. These temperature sensors fall under the category of business and industrial equipment in the subcategory of temperature and humidity sensors.
eBay