【Wide Measurement Range for Professional Usage】The product comes with a high-accuracy sensor from the Swiss company Sensirion. The measurement range is -20 ~ 50°C (-4 ~ 122°F) for temperature and 0 ~ 99.9%RH (non-condensation environment) for humidity. Professional implementation for multiple scenarios, including plants, warehouses, malls, supermarkets, hospitals, pharmacies, wine cellars, greenhouses, etc. * You can switch the temperature unit (°C/°F) through our APP.* Please do not place this product in environment with humidity>90% for long term use.

【Wi-Fi Connectivity, Enables Remote Monitoring】You can remotely access the data through Qingping IoT app or website as the product supports Wi-Fi. The data recording/unloading intervals and the thresholds of temperature and humidity alerts are configurable. You will get the immediate alerts by app notifications, emails, or text messages.

【High-efficiency Management with Qingping IoT】Devices can be managed with the Qingping IoT app and website, shared, and collaborated with team members. * Qingping IoT is a platform for device management, data collecting, and real-time alerting services of Qingping commercial products.

【Review and Export Historical Data 】Historical data graphics of 24-hours/7-days/30-days are available on Qingping IoT while the data can be exported as Excel files. No need to worry about network outages--up to 2,880 sets of data can be saved locally, and the data would be uploaded when the connection is back on.

【High-capacity Rechargeable Lithium Battery】The battery has a long standby time. You can also plug it in USB power all the time. * When the temperature is 20℃ and the interval of data uploading is 1 hour, the standby time of the product is about 283 days. The data is based on the test results in a Qingping lab. Ambient temperature, network signal level, updating interval, and uploading volume would all affect standby time.

【Professional after-sales service】 If you have any problems while using the product, we welcome you to contact us through the Amazon platform. We have a professional after-sales team that will provide professional guidance and answers to your questions.