NEO NAS-TH02W Smart WiFi Temperature Humidity Monitor Wireless Luminance Sensor with APP Notification Alerts ?Connects with 2.4 GHz WiFi,accurate measurement real-time update without delay,you can remotely monitor temperature and humidity ?It can help you effectively adjust the situation of your wine cellar,greenhouse,basement or other places in time ?Works for Tuya Smart,for Amazon Alexa,for Google Assistant,for Tmall Genie for realizing home automation ?Real-time data update,manage the temperature,light luminance and humidity in the most accurate way ?With a clear LCD screen,you would get a clear view of these data or you can get current and historic data via the mobile device APP ?Easy to install on the wall or flat surfaces Specification: ?Compatible systems: for iOS & Android ?Battery: 2*AA battery (not included) ?Temperature detect range: -20?? - 80 ?? ?Humidity detect range: 0% - 100% ?Luminous intensity detect range: 0Lux - 157000Lux ?Working temperature: -20?? - 80?? (-4??F - 176??F) ?Working humidity: 0% - 100% ?Size: 84mm*55mm*32mm Package included: ?1 x Smart WiFi Temperature Humidity Monitor Wireless Luminance Sensor ?1 x English User Manual ?Other things not included