Wireless Refrigerator/Freezer sensor/alarm

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

Wireless Refrigerator/Freezer sensor/alarm from Sensible Living

Temperature, Humidity and Moisture sensor

Temperature, Humidity and Moisture by Sensible Living LLC on Tindie

Milesight AM107 LoRaWAN Ambience Monitoring Sensor from IoT Hub on

Cheap 433Mhz sensor kit from Nico on Tindie

Package Included: The wireless freezer alarm includes 1 indoor temperature built-in the console and 2 remote sensors, which can monitor 3 kinds of

Locisne Freezer Alarm with Audible Alarm and 2 Wireless Sensors, Indoor Outdoor Refrigerator Thermometer for Home Kitchen

Wireless Digital Refrigerator Thermometer With 2PCS Temperature

Wireless Quad Current Monitor from Sensible Living LLC on Tindie

Wireless Indoor Garden monitor

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

This Lora soil moisture sensor V3 is the upgrade version of the V1 and V2 version, a cheap& easy solution for smart agriculture.

Lora Soil Moisture Sensor V3

The display console displays temperature, minimum and maximum temperature, which can be reset manually. Alarm Duration: 2 Minutes. With a temperature

Wireless Digital Refrigerator Freezer Thermometer Temp Alarm 3 Sensor In/Outdoor