Temp Stick Remote WiFi Temperature & Humidity Sensor, Data Logger. No Subscription. 24/7 Monitor, Unlimited Text, App & Email Alerts. Made in America. Use with Alexa, IFTTT. Monitor Anywhere, Anytime

good

These are the best temperature sensors ever. I have had two working for the last three years with no issues ever. I just bought the new one that has ac backup power. The setup was easier than any other similar wi fi based product that I have ever used - excellent. The application on your phone for sensor data, alerts and such is very well designed and intuitive. I love the ability to change time scales on the data shown, and look at old data as well. The system is robust to power and wi-fi outages, always comes back online. With the lithium batteries, I get a year plus of life on the default once per hour data update. I used to pay over 30 dollars a month for a cellular network based product when I did not have wifi at my 2nd house. I decided to just take that money and use toward the cost of wi-fi and have all the other benefits of having wifi. Paying up front in the sensor price for the monitoring is the way to go in the long run - one less bill to deal with and cost to increase. The price for the sensor is very reasonable. The ac version comes with the usb power supply and cable.

We use this to monitor outside animal shelters . They work really well and have outstanding support. Super easy to setup and lots of flexibility to set alerts if the temperature gets to high or to low. Highly recommend for anywhere you need to monitor temperature.

I used this thing to check if my fridge was staying cool enough. It's really easy to set up, there's step-by-step instructions included and even somebody who is clueless like myself could do it. I did have a problem accessing the setup page but that's because I had a bad browser on my phone (Opera) and switching to a normal browser like Firefox fixed the logging in problem. When you open the app on your phone you get a nice graph of the temperature and humidity. You can pick the time range in days/weeks to look at it historically, including the last 24 hours. You can click on data points to see the exact temperature and humidity at that point but it also reports the highs, lows, and average. What I like is the simplicity of the app: no ads, no nagging, easy to use. It just shows you info and that's it, exactly as it should be. The software developers that made this thing should be commended for sticking with a "keep it simple" philosophy because it's so easy to use. About privacy you do have to register an account with Ideal Sciences (Temp Stick creator) but they don't want any info other than a user name and password. And you do have to give the Temp Stick device your WiFi password so it can join the network, which is understandable. I can't find any information about their privacy policy or security policy though -- no reason to doubt them and maybe I'm not looking in the right place, but I would like to know more about that. My wish list for improvements would be: 1. Some way to pinch to zoom in/out on the graph and scroll left and right through it. 2. Able to look at the last N hours instead of 24 hours. These are minor issues though. For fridge users, my experience is that every time the door opens the humidity goes up, and if you accidentally leave the door ajar the humidity stays up. So the humidity graph is a great thing to check first to see when the door was open. Then check the temp graph at the same location. What I learned from using the Temp Stick is that my fridge is just fine, but putting warm food in really does make it work harder and I need to set the cooling level a little lower than I thought. I'd never know otherwise! Anyway the Temp Stick is a little pricey but in my experience it's 100% reliably, easy to set up, easy to use, and very, very convenient.

The battery life is okay, but there is nothing better than plugging into an AC outlet. I'm including a link for an AC adapter that works great with the Temp Stick. You of course need an outlet near by. Use the "dummy" batteries for set-up. The one with the cord attached is the one you will pull out 6 times to enter set up. You can also just plug and unplug the barrel connector (part of the AC adapter kit) 6 times to put the Temp Stick in set up mode. I drilled a hole the width of the thin ribbon cable in the corner of the battery compartment cover that connects to the one dummy battery and leads to the plug part of the adapter. This will keep the cable from getting damaged. If you are looking at the front face of the Temp Stick / battery cover, I drilled the hole in the bottom left part of the battery compartment cover. The dummy battery with the wire is then placed on the left side of the battery compartment, and you can run the cable through the hole in the cover. You will have to snip the edge of the hole you drilled to create a gap to slip the cable through. It's possible to close the battery cover on the ribbon cable without drilling a hole, but I didn't want to risk damaging the cable. I have had these plugged in and running for weeks now. The work great. Here is the link: https://www.amazon.com/dp/B096NCTFSG?psc=1&ref=ppx_yo2ov_dt_b_product_details I have 7 walk-in coolers and countless commercial refrigerators running 24/7. I'm in the process of having a new walk-in installed currently, and got a quote for a remote temperature monitoring system from the manufacturer. The unit was quoted at $720.00. Many of these require monthly monitoring contracts. Temp Stick takes about 5 minutes to set-up and mount (some of the easiest tech to deploy in recent memory). The wireless radio seems robust, and I've had zero issues installing these inside walk-in coolers and connecting and staying connected to my wireless networks. You can do it all from your smartphone. The online portal is free (just like the phone app). I also have some Emerson Sensi smart thermostats (that are also a great value and are very intuitive to use). The only complaint on those is that the phone app is free, but the online portal (actual computer access) is $1.00 a month per thermostat. Temp Stick gives you both for free. The Temp Stick app and online portal give tons of valuable information, and battery status is included in that info (so you will know when to replace the batteries before they die). I haven't imagined a feature that I would like that is not included. Very thoughtful execution on the product and the customer facing interface. I've had many refrigerators and walk-ins break down overnight, only to show up in the morning to find thousands of dollars of food spoiled. It's a really bad start to the day. If Temp Stick saves me only one time by alerting me to a failed cooler (and it will), it will pay for all seven Temp Stick purchases in one fell swoop. Great product.