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MikeCap
Reviewed in the United States on January 18, 2025
These are super well built and easy to use. You can stick one in your fridge or freezer and get an alert when temp drops below a threshold but you can even see how long the temp was down so you can determine if your food is still good during a power outage (even if you weren't home!). You can monitor your home temps/humidity, outdoor temps, etc. I run their hub and most of their sensors since early 2020 and I've had zero issues. I'm blown away by the battery life. Check out he leak detectors too
Lady Godiva
Reviewed in the United Kingdom on September 7, 2024
Very disappointed that there was no mention of needing a hub in the advert … needed this for a freezer in a garage so it had to work with an app. Returned. The refund was quick and efficient though!
J James
Reviewed in the United Kingdom on September 11, 2024
The hub is an absolute pig to set up but once you have done then it’s a great piece of kit for ensuring that I’m notified if the freezer out in the garage fails. I’m using the other sensor to keep an eye on the temperature in the freezer in the house.* important to note that it will initially tell you that no internet has been found - just ignore it and carry on with the set up*
Scott Allison
Reviewed in the United States on August 17, 2024
My first YoLink products were the water leak detectors, and since then I've added a lot more of their devices. I've done that because their products just work. The hardware is great quality, and the mobile app works really well, is bug free, and you can do a lot with it. YoLink devices are smart and internet connected, so you can do things like triggering an alarm if the temperature reaches a certain value. That can send you an email, or a text, as well as flash up an alert on your phone. It's super flexible. Yes, you do need a hub, but you only need one of these, and then you can add as many YoLink devices as you need. I'd bought a lot of Govee temperature sensors mainly because they were cheap but I realized my mistake as those only connect over Bluetooth, so you can't see the temps if you're not within range of them. YoLink on the other use the low power, long range protocol "LoRa" to connect to the hub, which itself is connected to the internet. This means YoLink devices are online but use very little power and so batteries last for years. Again this is where I realized Govee ones were problematic because you're lucky if the batteries last 3 months. Yes, their sensors are cheaper to buy, but they'll cost you a lot more in the long run replacing batteries. I strongly recommend the YoLink temperature and humidity sensors, they work great and are a good price for all the functionality they have.
JP
Reviewed in the United States on December 29, 2024
Setup:Setup could not be easier.1. Install app,2. setup hub3. add sensor(s).4. Update Firmware.To make the hub setup quick and easy it's best to connect the hub to your router with an ethernet cable. The instructions have you scan a barcode on the hub using the app to register it, then power it up. It came online within a few seconds. WiFi can then be setup while it is connected via ethernet cable. If you wish to use WiFi power off and relocate the hub. It takes about 30 seconds to join WiFi after being powered up.Adding the sensor(s) is similar. Scan the barcode on the device with the app, then turn it on using a switch on the back of the unit. It will connect to the hub quickly. It is best to configure all the alerts and other settings while you have the sensor on a desk, then when the configuration is complete place the sensor where it is needed.Both the hub and sensor had the latest firmware as delivered which is awesome.Use:The LCD's still work even at freezer temperatures of -5f. The batteries in the LCD sensors will not last very long in a freezer. maybe 9 months, I have ordered some sensors that do not have an LCD and come with Lithium batteries good for 5 years.I'm really impressed how well the sensors work inside a freezer clear the other side of the house from the hub. It lives up to the hype. Sensors contact the hub about once per minute.App:The app is very good, there are some really detailed statistics you can view and there is an option to download data. I have included a screen shot of one of the charts showing a 24 hour view,Alerts:After setting thresholds, alerts can be sent via the app on your phone, an email, or SMS. SMS is limited to 15 SMS's per month but email works just fine and has no limit.Yolink Eco system:The number and variety of devices you can add to the hub is impressive. Given how easily the system and app works I'll be adding devices in the future.Highly recommended.
David McDougall
Reviewed in the United Kingdom on January 2, 2024
Bought this to use in my freezer as an early warning system for loss of power or a freezer failure.It was simple to install and integrate with the free app. You can setup alerts to send email or SMS messages if the temperature goes above or below the thresholds you set. It also records the data so you can see over time how the temperature fluctuates which was interesting to see how much the temperature changes just by opening the freezer door for just a few seconds.
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