GoveeLife Freezer Thermometer Alarm 2 Pack, Smart Bluetooth Temperature Monitor Sensor for Refrigerator Hot Hub, 197 Ft Connecting Range APP Alert with Anti-False Freezer (WiFi Gateway Not Included)
This one needs existing bluetooth / smart home hub so I would recommend https://aplusplusdeals.com/refresh/lowest-ever-fridge-ryw for average setup.
GoveeLife Freezer Thermometer Alarm 2 Pack, Smart Bluetooth Temperature Monitor Sensor for Refrigerator Hot Hub, 197 Ft Connecting Range APP Alert with Anti-False Freezer (WiFi Gateway Not Included): Refrigerator Thermometers - Amazon.com ✓ FREE DELIVERY possible on eligible purchases
Highly recommended for piece of mind outages. (If you have smart home stuff, then https://amzn.to/4oMCqqy is even better)
GoveeLife WiFi Refrigerator Thermometer with Alarm, Wireless Digital Freezer Temperature Gauge with App, 2 Years Free Data Export, for Home Kitchen Fridge Hot Tub 2 Pack（Only Support 2.4G Wi-Fi）
