govee bluetooth thermometer hygrometer, indoor digital humidity temperature monitor with app alert, 2 year data record and export, for nursery room greenhouse and incubator humidor govee </b>govee bluetooth thermometer/hygrometer, get exact temperature and humidity around your home. you can lay this wireless temperature humidity sensor on any spot of your house or mount it on the wall with tape.</p> <b>how it works</b> <br>download “govee home” on app store or google play. <br>open the app and sign up an account with your email, which is for receiving csv. document. <br>add a device h5052 and press the device for 3 mins to repair(bluetooth need to be on). <br>name your device like office/basement/cigar humidors/wine cellars/incubators/greenhouses/family heirlooms/refrigerators /freezers. <br>set an alarm temperature or humidity. you can get alert from the app if the temperature or humidity exceed the setting value</p> <b>specification: </b> <br>humidity range: 0 - 99% <br>temperature accuracy <br>-20°c to 60°c (-68°f - 140°f) ±0.3°c / ±0.5°f <br>humidity accuracy: ±3% <br>dimensions: 40mm x 40mm x 16.5mm / 1.57" x 1.57" x 0.65" <br>weight: 40g / 1.4oz <br>battery: aaa *3 (included) <br>battery life: typ. over half a year (more in normal conditions, less in extreme cold) <br>sampling interval: every 2s <br>on-board data storage: 20 days <br>in-app data storage: 2 years