WiFi Thermometer Freezer Alarm, Email Alert, App Notification, Data Record Export, No Subscription Fee, Remote Wireless Temperature Sensor for Refrigerator, Freezer, Hot Tub (2 Pack) …

Remote monitor&alert: Through the Hub access to the network, you can know the temperature data from a sensor in the home in real-time through the app when you’re not at home. The push notification will be sent to your phone or mailbox, once the temperature is out of preset range.