ubibot ws1 wifi temperature humidity sensor, smart temperature monitor,thermometer supports external probe, alerts & history,free iot app/web console, ifttt, alexa, (2.4ghz wifi,no hub required) ubibot <b>introductions</b><br><b>this product is shipped from amazon warehouse in the usa. the manual contained in the package is in english. for instructions in your local language, please download the multi-language manual on ubibot official website.</b><br>the ubibot ws1 is a wifi temperature sensor, wifi thermometer hygrometer, wifi temperature data logger. it measures temperature, humidity, ambient light and vibration.<br>the ws1 allows you to remote monitor your environment in real-time and gives you remote access to your data wherever you are in the world. all the data is automatically synchronised to the platform via wifi.<br>our cloud-based iot platform offers advanced data analysis and management. it also allows you to setup notifications - if a metric goes outside the range you specify, the platform will notify you through the app, by email, app notifications, ifttt, sms texts and voice call, allowing you to respond promptly before costly damage happens. the iot platform gives users access to both the real-time data and history via our mobile app or on any browser.<br>the device can store over 300,000 records in its internal memory. even if the network fails, the ubibot ws1 still stores readings, thus ensuring there are no gaps in the data history.<br>the device suits for use in warehouse, greenhouse, wine cellar, cigar cabinet, incubator, freezer, etc.<br><b>specifications:</b><br>wifi: 2.4ghz, channels 1-13<br>power source: 2 x aa batteries / micro usb (alkaline battery recommended, not included)<br>on-board memory: >300,000 sensing records<br>app requirements: ios 11+, android 8.1+<br><b>sensors' monitoring range: </b><br>temperature sensor: -20 to 60°c<br>humidity sensor: 10 to 90%<br>ambient light sensor: 0 to 83klux<br>vibration index sensor: -16 to 16g<br>optimal operational conditions: -20oc to 60oc (-4of to 140of), 10% to 90%rh<br> <br>get support from website ticket and live-chat system<br>