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

Remote Monitoring: The wifi freezer thermometer keeps an eye on your freezer and alert you when the temperature rises or drops. So you can act quickly before it’s too late (Only Support 2.4Ghz WiFi)
3 Optional Instant Alerts: Email, App push, and loud 80dB audible alerts from the Hub. So when you just need to hear an alert again, take action
Industrial Grade Accuracy: Remote refrigerator thermometer with a temperature range of -40°F to 257°F and an accuracy of ±0.9°F. Industrial-grade chip for more accurate measurements, ideal for home, industrial, commercial, and laboratory use
2 Years Data Export: No Subscription, the wifi freezer thermometer alarm supports online viewing of clear graphs and exporting data to CSV tables for in-depth research
2 Years Battery Life: The wifi freezer thermometer can last up to 2 years on a single charge and sends a low battery alert when the battery level falls below 10%