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Wireless Outdoor Temperature Sensor


How it fits into the alarm platform: 

Connects wirelessly to the BarnTalk Gateway. With an 8’ lead on the probe and a wider temperature range than the indoor temperature sensor, this sensor iideal for monitoring external temperature, refrigerator and freezer temperatures, as well as the standard uses of the indoor temperature sensor. The outdoor temperature sensor should be placed within ~700 feet of the BarnTalk Gateway. On multi-barn sites, the temperature sensor’s range can often extend across multiple buildings depending on proximity.

  • Measures from -22°F – 122°F
  • Included Battery with 2-3 Year Life
  • IP67 Waterproof and Dustproof Rated
  • Tested for Maximum Durability in Harsh Conditions

★★★★★“They couldn't have made it easier to set up and use!” Robert S. | Product Review: Temperature Sensor

BarnTalk is the only wireless barn alarm with certified multi-carrier connectivity built right into the system. Once you plug the BarnTalk Gateway into power, it connects to the strongest local cell tower, regardless of carrier, eliminating the need for a landline, WiFi, or hotspot. BarnTalk sends alarms via push notification, SMS text message or phone call based on the user’s preferences.For optimal alarms and monitoring, you’ll need a BarnTalk subscription. This subscription covers connectivity and data costs.


Monitor Outdoor Temps—and More

The BarnTalk Outdoor Temp Sensor connects wirelessly to the BarnTalk Gateway, which is the brains of the system. The gateway includes built-in cellular connectivity for rural areas. It works even where your phone has no service!

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Real-Time Monitoring

Monitor temps 24/7 inside the BarnTalk mobile app, including a Daily Overview graph of temp trends.

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Instant Alerting

Quickly respond to temp changes and receive alarms via text message, phone call, or push notification from the app.

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Flexible Uses

The 8-foot lead and wider temp range makes it ideal for monitoring external temp, fridge and freezer temps.

Details & Product Specifications



Measure Range

-22 °F ~ 122 °F / -30 °C ~ 50 °C


±1 °F / 0.5 °C


0.2 °F / 0.1 °C

Power Supply

Disposable Lithium Battery

Battery Life

Up to 2.5 years

Working Environment

Temperature: -22 °F ~ 122 °F / -30 °C ~ 50 °C | Relative Humidity: 0 ~ 99.9% RH with no condensation


High Sensitivity 915 ISM frequency band LoRa Module

Protection Level


Shell Material

Nylon Plastic


Ø 3 x 6 1⁄4 inch / Ø 72*280 mm


0.5 lbs / 252 g

Monitor Outside Temps, Freezers, and More

Outdoor Temperature Sensor

The Outdoor Temperature Sensor’s wide temp range makes it ideal for monitoring external temp, refrigerator and freezer temps, as well as the standard uses of the wireless indoor temperature sensor.

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Outdoor Temo Sensor FAQs