1. High stability and low temperature resistance Applicable temperature environment: -30℃-70℃. 2. Accurate identification and fast response Upgraded high- ±0.3℃, higher than the regulatory requirements of digital sensors, fast response, 5 seconds refresh. 3. Bluetooth communication is more convenient to read. Mobile phone quickly exports data reports and Bluetooth quickly configures parameters. 4. Automatically generate reports in multiple formats and export them. USB connects to the computer. Data is automatically uploaded and reports in multiple formats can be exported. 5. Over-limit sound and light alarm When the temperature and humidity data exceeds the set value, the recorder promptly issue a sound and light alarm to remind you that you can understand the temperature and humidity changes at the first time to that medicines and food are safe. Model: WH55P Screen size: 3.3 inches Temperature accuracy: ±0.3°C/±0.5°C Storage capacity: 100,000 groups Bluetooth function: parameter configuration/read data/print data Shadow data: full-time shadow data Maximum value statistics: select to view 1/3/5/ or the maximum and minimum average values of the whole process Battery type: ER14505 3.6V battery Colour:As Shown Material:ABS Due to different batches, there may be differences in product appearance and printed text, which not affect use Package Contents: 1 * Temperature Humidity Recorder Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.