Wireless Refrigerator/Freezer sensor/alarm

Monitors the internal temperature of your refrigerator/freezer/wine cellar and lets you know if there's a problem.

Cejue iSH09-M608145mn CDIYTOOL Freezer Door Alarm When Left Open

Tinovi LoRaWAN LW-1 device with sensor options from Tinovi on Tindie

PIR HC-SR501 with box from OpenTUX on Tindie

Refrigerator Thermometer, Wireless Digital Freezer Thermometer

Wireless MQ2 Combustible Gas sensor from Sensible Living LLC on Tindie

Tuya Smart Wifi Water Temperature Humidity Sensor Indoor, 53% OFF

Milesight AM107 LoRaWAN Ambience Monitoring Sensor from IoT Hub on

Wireless Digital Freezer Alarm Thermometer Fridge Home Indoor

The best wireless temperature alarm monitors for freezers

Hum/Temp Sensor for itho CVE from NRG.Watch on Tindie

Tinovi LoRaWAN LW-1 device with sensor options from Tinovi on Tindie