Battery Included : Yes<br>High-concerned chemical : None<br>Theory : Temperature Recorder<br>Certification : CE<br>Model Number : BUTH-1<br>Origin : Mainland China<br>Max Measuring Temperature : 70��C- 99��C<br>Style : Handheld<br>Brand Name : JUANJUAN<br>Is Smart Device : Yes<br>Use : Industrial<br>Display Size : 1.9 Inches & Under<br>Measuring range : -30�� to 70��(-4�H to 158�H)<br>Temperature Accuracy : ��0.5��/ 0.9�H<br>Humidity range : 0~99%RH<br>Humidity accuracy : ��3%RH<br>Resolution Definition : 0.1��<br>Data capacity : 32000 Article<br>Battery Type : 3.0v Button Battery(CR2450)(not include)<br>Reading device : smart phone<br>Read password : Can be set<br>BUTH-1 Data Logger : Data Logger<br>Communication Mode : USB2.0(computer)/Bluetooth(Cell phone APP)<br>Protection Grade : IP67<br>