Feature:1. Measurement Accuracy Range: The temperature measurement range of temperature humidity sensor is from ‑20℃ to 60℃, the temperature accuracy is ±1℃, the humidity accuracy is ±5%RH, and the humidity measurement range is from 0% RH to 100 percent RH.2. APP Alarm: When the indoor temperature and humidity are higher or lower than the normal value, the sensor will send a message to remind you through the APP.3. Compatible With: The sensor can be used with for Smart Life. You can let your smart home run automated processes on them.4. Easy Installation: The sensor is applicable to a variety of complex application sites and can meet all your installation environment requirements.5. Simple Design: Adopts simple design, this sensor can well match with your home decoration, you can take it with confidence!Specification:Item Type: WiFi Thermometer HygrometerMaterial: ABSMode: TH01Support Wireless Network Protocol: WIFI 2.4GHzSupport Wireless Standard: IEEE 802.11b, g, nPower Supply: AAA battery x 2 (shipped without battery)Temperature Measurement Range: - 20℃ to 60℃Temperature Accuracy: ± 1 ℃Humidity Measurement Range: 0% RH to 100 Percent RHHumidity Accuracy: ± 5% RH.Package List:1 x WiFi Thermometer Hygrometer1 x Manual 1 x Double Sided Adhesive Tape