Govee Bluetooth Digital Hygrometer Indoor Thermometer, Grey, Room Humidity And Product Features Easy to Connect: Simply download the Govee Home app, search for and select H5075, and pair it successfully within minutes. With a 196ft/60m Bluetooth range, you'll be notified of any air changes immediately. Accuracy: Built-in Swiss-made smart hygrometer sensor, the temperature is accurate to 0.54F while humidity is 3%RH. It provides high precise monitoring. Up to 2S refresh speed always gives you the latest changes of the environment. Large LCD Display: It offers realtime temp/humidity readings with large numbers and max/min records on 3 inch LCD screen, comes with 3 level comfort indicators dry/comfort/wet keeping you aware of the house situation with just a glance. Smart App Alert: You'll receive a notification alert once temperature or humidity is out of preset range. It can help you effectively adjust the situation of your wine cellar, greenhouse, basement or other places in time. Free Data Storage: It features 20 days of online data storage. You are able to view recent temperature and humidity records. Curve graph displaying brings you a clear data-changing track. You can export latest the 2 years' data to CSV format anytime. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!