Blue-Tooth USB Temperature Humidity Data Logger Disposable BUL01-TH Smart Phone RH TEMP Data Logger Recorder 14400 Data capacity Use mode :Single use Measuring range:-30& 8451; to 70& 8451;(-4& 8457; to 158& 8457;) Accuracy:±0.5& 8451;/ 0.9& 8457;(Exceeding 0& 8451;-60& 8451; is ±1& 8451;)0.9& 8457;& 65288;Exceeding 32& 8457;-140& 8457; is 1.8& 8457;& 65289; Resolution:0.1& 8451; Humidity range:0~99%RH& 65288;Temperature and humidity version& 65289; Humidity accuracy:±3%& 65288;Temperature and humidity version& 65289; Data capacity:14400 Article battery:3.0v Button Battery& 65288;CR2032& 65289; Sampling interval:User confifigurable(1-225minutes) Communication Mode:USB2.0& 65288;computer& 65289;& 12289;Bluetooth& 65288;Cell phone APP& 65289; Product Size:59 mm x 20 mm x 7 mm (L x W x H) product weight:about 12g Protection Grade:IP67 Accuracy calibration:method Nvlap NIST& 65288;optional& 65289; Note: When the data is full of 14400 records, the product will automatically stop recording