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)
Brand: UbiBot
Color: White

Introductions
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.
The UbiBot WS1 is a wifi temperature sensor, wifi thermometer hygrometer, wifi temperature data logger. It measures temperature, humidity, ambient light and vibration.
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.
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.
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.
The device suits for use in warehouse, greenhouse, wine cellar, cigar cabinet, incubator, freezer, etc.
Specifications:
WiFi: 2.4GHz, channels 1-13
Power Source: 2 x AA batteries / Micro USB (alkaline battery recommended, not included)
On-board memory: >300,000 sensing records
App requirements: iOS 11+, Android 8.1+
Sensors' monitoring range:
Temperature sensor: -20 to 60℃
Humidity sensor: 10 to 90%
Ambient light sensor: 0 to 83klux
Vibration index sensor: -16 to 16g
Optimal operational conditions: -20ºC to 60ºC (-4ºF to 140ºF), 10% to 90%RH

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Quick set-up via Ubibot App or PC Tools. Supports 2.4GHz WiFi, no hub required (5GHz WiFi not supported). Easy data access anywhere via the App or web console. Works with IFTTT, Alexa allowing you to build automated link with other smart devices.
Highly accurate Swiss-made sensor chips. Works in environments - 20ºC to +60ºC(-4 ºF to 140 ºF), 10% to 90% RH (No condensation). Optional external probes (B07G31F4MF) can be conneced in extreme conditions (-55ºC to 125ºC). Suitable for baby room, wine cellar, cigar humidor, instruments storage and more.
24/7 remote monitoring. Free history tracking. Free 200MB Cloud Storage enough to store data up to 2 years. Online data can be downloaded in PDF or CSV files. The device also has large internal memory that can store up to 300,000 pieces of data, ensuring no history gap when network is down.
Flexible alert modes. The alerts can be sent to multiple users. You can be notified when device loses network connection, sensor readings out of the preset range, low battery, etc. Available alerts modes include Email, APP notification, SMS texts, Phone Call, HTTP API, IFTTT.
No subscription. More free functions: 1. customized measuring rate and sync rate: ; 2. Available Celsius and Fahrenheit settings in the app and web console; 3. Calibrate the readings on the platform end; 4. Manage multiple devices in one account.