YoLink Smart Freezer Thermometer, LoRa Wireless Fridge Temperature Sensor 3-Pack, Ideal for Refrigerator, Freezer, Greenhouse, Pet Cage, App & SMS Alerts, 5-Year Battery, Hub Included
$52.24
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LORA > WIFI! YoLink devices don’t use your WiFi, ensuring no crowding or slowing down of your network. Instead, they operate with a unique LoRa-based, long-range, low-power wireless protocol. Place smart devices in areas WiFi can’t reach—outdoors, several floors away, in fridges, gun safes, or beyond WiFi range! Using YoLink’s industry-leading technology, this sensor monitors up to 1/4 mile in open air.
Temperature Monitoring: Accurately track temperature levels with consistent updates to the YoLink app. Easily manage conditions in your home, greenhouse, fridge or freezer, barn, bedroom, chicken coop, dog kennel, plant nursery, or child’s nursery—anywhere you need reliable temperature awareness. Perfect for maintaining optimal conditions across a wide range of locations and uses.
Customizable Alerts & Notifications: Stay informed with multiple alert options! Set custom thresholds for temperature, and choose to receive alerts via text, email, or push notifications. Apple users can bypass silent mode with “Critical Alerts,” while Android offers similar options. SMS messages are limited to the total of 5 times each device plus 5. A hub and one sensor provides you with 15 free SMS per month.
Battery-Powered with Extended Lifespan: Powered by two AA batteries, the sensor delivers up to 5 years of continuous operation, depending on usage and environmental conditions. Receive real-time low battery alerts via the YoLink app, ensuring you’re notified when it’s time for a replacement. Designed for convenience, its long-lasting battery life minimizes the need for frequent replacements, making it perfect for hard-to-reach areas and critical monitoring applications.
IFTTT & Alexa Integration: trigger IFTTT applets based on high or low temperature set points reached (when device alerts). Voice query Alexa for the temperature. Triggering Alexa routines is not supported at this time.
Commercial-Grade Accuracy and Wide Environmental Range: Designed for precise environmental monitoring, YoLink Thermometer delivers temperature accuracy of ±0.36°F (32°F to 129°F) and ±0.72°F (-20°F to 32°F). It measures temperatures from -4°F to 129°F (-20°C to 54°C), ensuring stable performance in various environments, whether in cooler temperatures or warmer conditions.
8 reviews for YoLink Smart Freezer Thermometer, LoRa Wireless Fridge Temperature Sensor 3-Pack, Ideal for Refrigerator, Freezer, Greenhouse, Pet Cage, App & SMS Alerts, 5-Year Battery, Hub Included
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$52.24
Lisa B –
Peace of mind
Works well and easy set up. Got the hub to be sure it worked well since using two in a building out back. Nice to be able to get alerts and have a peace of mind when our freezers and fridge are getting old and not reliable. Seems to be accurate and good price and picks up well
Charlie –
Easy to set up and just works
This thermometer is great! Easy to set up and works well. It’s very reliable, I’ve had it set up for about a month and it has never lost signal. The accompanying app is well thought out and looks nice too. It makes it easy to view just the current day, or time periods in the past. I have my 3 sensors in 2 freezers and 1 fridge. No problems with the sensors staying connected. I’m considering buying more sensors. Overall a very good purchase.
Brandon S. Newcomer –
Great wireless thermometer
The product works great. Easy to set up and seems accurate. If the temperature goes out of your specified range then you get a notification through the app, an email, or a text message. I’d get it again – no regrets
Robin T. Laird –
Very Nice Product All Around
Bought the Hub + 3 Sensor Package (which is very competitively priced) and put it to use immediately trying to collect data on what was happening to my brand new Whirlpool fridge. Took me around 15 minutes to get the entire system up and running and collecting real time temp data in two different fridges (both freezer compartment and fridge compartment – liked the product so much I bought a fourth temp sensor to monitor freezer/fridge compartments in kitchen and garage fridges. Connected hub to wired Ethernet and power – worked perfectly and seamlessly. The YoLink app works very well, extremely easy to setup system, set alarms, view data, export data – have very few suggestions for improvement (the alarm configuration is not very well explained within the app). Have mechanical/analog temp sensors in both freezers/fridges to validate temp readings from YoLink digital sensors – the digital sensors seem to track analog sensors by +/- 1-2 degrees which is excellent IMO (I have confidence in the digital sensors accuracy). Turns out the kitchen fridge compressor failed as can be seen from the image showing a temp rise to > 75F. Was able to show repair tech the graph that comes from YoLink app so it was obvious what was happening. Compressor replaced twice (now on third compressor). Second graph from YoLink app shows what a normal defrost cycle looks like with garage fridge; it also shows that the garage fridge (Vissani from Home Depot) doesn’t reach the lowest temp advertised from the manufacturer. Temp data can be exported to CSV files, tried it, works great. All of this was not possible without YoLink remote sensors, which allows you to keep fridge closed while collecting data. You get a lot for your money, good value IMO. Will likely buy additional sensors to monitor ambient temps in garage and in upstairs closet where emergency food supplies are stored. After a week of operation, batteries in all sensors still show full charge. So far, so good.
Mike C. –
Nice item to have
Easy to connect, and works as advertised. Purchased to monitor freezer temperatures while away from home.
Tony Howard –
Reliable and easy to set up. Many features.
Installed 2 of the sensors in our 2 garge upright freezers and the 3rd sensor is installed in the kitchen fridge freezer compartment. All are working really well.The base and sensors were suprisingly easy to set up. Took maybe 5 minutes total.
J. Boyd –
Buy these, and all the YoLink networked components. They work!
I have purchased many YoLink items that connect to the LoRa (long range) hub. I like all of them. I’m reviewing this one first because the set of three thermometers are so useful. I put one in the house frig, and one each in the freezer and old frig in the garage. The thermometer in the house frig is overkill, but the two in the garage are particularly useful because we aren’t in those appliances every day. It could be five days between visits. In Arizona heat in the summer in the garage, five days without the compressor running will leave us with a smelly mess. So, these thermometers solve a headache of concern that easily is worth these very affordable temperature sensors.They have great range, from inside steel appliances about 30-35 ft from the hub. This is a great plus – there’s no worry about losing the signal, and the signal strength is shown on the phone app. I’m seeing five bars on both units in the garage. The phone app works very well, too. The accuracy seems to be plus/minus about two degrees, maybe a bit less. The other hub-connected units work just as well, and are just as useful. Six stars.
Echo_Actual –
Insulin protection and peace of mind.
Excellent product. Easy set up. App works really well. We have a Type 1 Diabetic in our household and keeping the insulin at temperature is extremely important. This product offers the piece of mind we need. Highly recommend.