BSIDE BHT81 USB Interface Temperature Humidity Data Automatic Recorder 1. Plug and play USB interface. 2. 16384 data storage. 3. Adopt high precision digital temperature and humidity sensor. It has the characteristics of high precision, fast speed and good stability, and is suitable for data collection and recording of ambient temperature and humidity. 4. Automatically generate PDF files for easy download, analysis, export and print data. 5. Two fixed methods. The 3M adhesive tape is fixed, and after peeling off the 3M adhesive film, it is stuck in a flat and smooth position. Use the expansion screw to secure the bracket. 6. Widely used in indoor temperature measurement, pool management, logistics and transportation, communication room, intelligent buildings, subway, shopping malls, libraries and other places and occasions. Parameter: 1. Size: 7.6x4.2x2.5cm. 2. Power: CR2032 button battery. 3. Temperature measurement range: -40-70 degrees Celsius -40-158 degrees Fahrenheit.