X3 Outdoor Temperature Sensor

YoLink Smart X3 Outdoor Temperature data logger with Probe, Thermometer, 1/4 Mile Long Range, 5+ Years Battery Life, Emails, Text/SMS, App Alerts, Alexa, IFTTT.  YoLink Hub is REQUIRED! This device will not operate without a Hub.  VERY VERSATILE: many applications, including pool/hot tub & fish tank water, wood boiler, fridge and deep freezer, livestock water trough, milk, beer, wine, water, steam and pipe temperature monitoring. Additional uses include composting, HVAC/heating/cooling/ventilation management (YoLink smart plugs and switches purchased separately). 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. 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.