About this item

• YoLink Hub is REQUIRED! This device will not operate without a Hub, not included. Please search B07TQLKQLJ for the Hub
• KNOW NOW: be informed immediately of off-normal conditions when you easily set up one or more optional notification methods, including SMS*, phone push notifications, emails, siren and/or SpeakerHub audible notifications for your home or business. *Each YoLink app account receives 5 free SMS per month per device plus five. Additional 200 or 500 SMS are available for 2 and 5 dollars per month, respectively. There are no required subscriptions and the app is always free.
• Long-lasting Performance: X3 Temperature Sensor features an exceptional 5-year battery life, guaranteeing uninterrupted and dependable monitoring of temperature levels over an extended period without the need for frequent battery changes.
• EXTREMELY ADAPTABLE: numerous uses such as pool/hot tub and fish tank water, wood boiler usage, refrigeration and freezing, livestock water trough monitoring, milk, beer, wine, hydration, steam, and pipe temperature tracking. Can also be used for composting and managing HVAC/heating/cooling/ventilation with the addition of YoLink smart plugs and switches (sold separately).
• Offline Data Logging: The X3 Thermometer comes equipped with an innovative offline data logger, allowing you to capture and store temperature information even when not connected to a hub. Retrieve and review the recorded data conveniently whenever your device is back online.