INKBIRD Pocket-Sized Sensor Bluetooth-Compatible Temperature Humidity Sensor Wireless Thermometer With Data Storage/Export INKBIRD Pocket-Sized Sensor Bluetooth-Compatible Temperature Humidity Sensor Wireless Thermometer With Data Storage/Export This device can be universally used tomonitor the storage environment of guitars, pianos and other instruments, cigars, warmers, wine cellars, incubators, weather station, refrigerators and freezers. Bluetooth-Compatible Temperature & Humidity Sensor: Bluetooth-Compatible Sensor--- WirelessControl Range30 meters.Free App for IOS & Android. One mobile phone can monitor several sensors at the same time, and vice versa, one sensor can be monitored by a few mobile phones. Data Storage & Sampling Interval--- Hold data for 20 days if the sampling interval is 1min, and the max date storage is 30000 points. Different sampling interval can be setting.(10s/ 30s/ 1min/ 2mins/ 5mins/ 10mins/ 30mins) The saving data time will be different if you choose different sampling interval.The history data could be exported via CSV file. History and Immediately Data Review--- History and immediacy data can be remotely checked through Bluetooth. App Functions--- As a data logger, it supports temperature graph, interrecord gap setting, alarm and calibration. Support for application scenario selection and addition. 12-Month Warranty--- Our product is under 12-month warranty, if you have any problems on using the item, please be free to reach us. Pertinent Parameters: ● Temperature measurement Range: -40~60°C (Inner sensor), -40~100°C(external sensor) ● Temperature accuracy: Typical: 0.3°C / ±0.5°F, Max: ±0.5°C / ±0.9°F(Inner sensor), ±1°C (External probe) ● Power supply: AAA Battery (Not included) ● Humidity measurement Range: 0 - 99%RH ● Humidity Accuracy(25°C/ 77°F, 20%~80%RH): Typical: ±3%RH, Max: ±4.5%RH ● Humidity Accuracy(25°C/ 77°F, 0%~100%RH): Typical: ±4.5%RH, Max: ±7.5%RH ● Record capacity: 30000 points(MAX) ● Record interval: 10s、30s、1min、2min、5min、10min、30min adjustable ● Wireless Range: 30 meters / 98 feet ● Size: 56mm x 17mm (2.2*0.67inches) Package Contents: