Smart Wireless Temperature / Humidity Sensor Wide Range (-22 to 158 degrees) for Freezer Fridge Monitoring Pet Cage/Tank Monitoring Smartphone Alerts, Works with Alexa IFTTT, 2 Pack - Hub Included

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$59.99

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(10000 available )

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  • Dr. Kevin Folta

    > 24 hour

    We are in North Central Florida and have a farm with valuable temperature sensitive plants in high tunnels. I used to have to start heaters when the weather station reported near freezing, then Id have to check that the heaters were on every hour or so through the night. WiFi based monitors did not have the range to reliably hit our structures. Enter LoRa. We need minimal data, now and then. The YoLink system was perfect. It is so simple. Now I can get to sleep, get an alert when temps approach freezing, and then go back to bed. Each tunnel has an alarm, and if the heater shuts off or it gets too cold-- I get a message. Perfect. I added some motion detectors to let me know if deer or local delinquents are on the farm. They are perfect too. Great products, and the ease of connection is the real bonus of the YoLink system. The system is generally inexpensive. My only criticism is that it would be great to have ultra-low cost ($10 range) LoRa relays that could trigger 12-24v to actuate any device. Id love to have all of my irrigation zones on the network. Right now the closest solution is $45, and not in the budget. Overall, great for an introductory LoRa system.

  • C Schrader

    > 24 hour

    We have a refrigerator out in our uninsulated garage. I wanted to monitor the temperature for 2 reasons. ONE, during the winter I want to ensure temperatures are maintained. TWO, this is an old fridge, so I want to be alerted if it stops working altogether. I love that these monitors collect a history so that I can easily keep an eye on things. I found the setup to be very easy and quick. I connected directly to wifi using my Eero system. I love that there will be alerts sent directly to my phone so that I can take action ASAP. I just installed this today and I will absolutely update my review if anything changes.

  • Amanda

    > 24 hour

    This alert literally saved a huge supply of frozen breastmilk within the first few days of using the alert. Coincidental timing but I am beyond thankful!

  • Jim G.

    > 24 hour

    I bought this remote thermostat for my freezer. I didnt to loose a freezer full of meat. The thermostat is nice and small and just hangs from one of the shelves. Signal is great and with the app, I know the moment the temp drops below the alarm level that I choose. I also put one in the office where we keep guitars. This one has an alarm for humidity.

  • Damian Zboncak II

    > 24 hour

    After losing an entire freezer of meat, I wish I bought it before. I can see Temps any time and get an alert if it gets warm.

  • Sylvester

    > 24 hour

    Very impressed with this product. Super easy to set up, slick app, sensors are accurate. If anything goes wrong will update but happy at the moment.

  • J. Glenn

    > 24 hour

    I bought these for my 2 freezers. We lost some meat in our freezer because I didn’t know it wasn’t cold enough and the meat thawed out. It brings some peace of mind knowing I’ll get a notification when the temperature gets above the threshold I set. It is also interesting because it shows how the temperature naturally fluctuates and I can even see when it defrosts.

  • Phyllis Ortiz

    > 24 hour

    Be aware of what you buy. An other brand I bought only works on Bluetooth so you only have phone/app readings when you are near them. But this product works on wifi, so you can access them anywhere thru an app on your phone AND get phone alerts for temperature or humidity. The charting/history granularity is one hour minimum however alerts can be set for a minimum of 10 minutes. That all said if you wants alerts because of a power outage, then your wifi may be out also so you would not get alerts or readings without some backup power source. The units are battery powered and with a battery status icon on the app. The hub unit plugs into ac power. It can be set up via cable to a router or via your wifi network.

  • Erica

    > 24 hour

    I got these for a deep freeze out in my detached garage. This setup quickly and without fuss. Its very accurate and has an impressive range. It was easy to setup custom parameters to alert me to extreme temperature changes sent directly to my phone.

  • David

    > 24 hour

    Bought this Fall 2022. Able to track indoor and outdoor temps in our house with our cell phones at home, out working and shopping, and away on vacations. Keeping us informed about our home heating situation and telling us what the outdoor temp is without another outdoor thermometer. The best most affordable choice on the market for homeowners. The outdoor sensor should be placed in constant shade on a north side not close to any heat source like a window or vent or an uninsulated wall. The WIFI for reception for all devices is good. Our base unit is in a basement home office. A sensor is in a less heated basement near the water service. Another sensor is in our master bedroom. This gives us our outdoor, basement and upstairs conditions that together give us a full understanding of our indoor/outdoor freeze potential. On vacation last winter, we realized from this YoLink system that our thermostat set backs to reduce our house heating was not working as expected. We called our daughter who came over the house and corrected our thermostats to the settings we wanted. We probably saved the cost of this equipment by substantially reducing our heating energy that one time.

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