Model: H5108&B5108 Why Choose 24/7 Instant Alarms?Upgrade to unmatched precision and convenience. Ensure the safety of your frozen goods with instant alerts and seamless monitoring. You'll enjoy easy installation, smart adjustments, and 2 years of free data storage, making this the ultimate freezer companion. Discover a worry-free storage experience with the GoveeLife Wi-Fi Freezer Thermometer Alarm. 24/7 Instant Alarms: Set preset temperature ranges, and the freezer thermometer will alert you via app when the temperature rises or drops outside of the range. Monitor Temperature Anywhere: Keep track of temperature data in real time from anywhere with Govee Home App without a subscription. Upgraded Accuracy Probe: Our wide measuring range of -40° to 158°F with ±0.9°F / 0.5°C accuracy ensures data is reliable. Smart Anti-False Alarm: The anti-false alarm allows the freezer alarm to notify you after 1-10 minutes of temperature overrun. Easy to Place: The unique holder reduces messy cables and secures the probe inside the freezer. 2-Year Data Storage: The Wi-Fi freezer thermometer supports online data graphs and exporting data from the past 2 years.