
First of all I would like to say that anyone who has given a bad review on this product because it only connects to 2.4Ghz WiFi, educate yourself should. I have many brands of home automation products and none of them support 5GHz. That goes for smart lightbulbs, door locks, security cameras, thermostats, and everything else. A decent router or mesh system should have 2.4GHz bandwidth for the connection, so relax. If not, buy a cheap WiFi extender. It would be a stupid waste of money to make all home automation devices run on 5GHz. I was so happy to see this new version after purchasing several H5041 sensors that work in a similar way. I have a second quality that I like to see the temperature so I can make sure it's not getting too cold. These sensors are exactly what I need as they support Wi-Fi. My biggest complaint about the old version was that you could only get it in 3 packs. With this H5151 you can now only buy sensors, which is much cheaper. You can place 10 sensors on one Wi-Fi bridge, which is great. The next big improvement is the overall size. They are much smaller than the old ones! Both the Wi-Fi bridge and the actual sensors. The app for these sensors is identical to the old version and uses the same display so they can be easily mixed and matched. The only bug I can find is that when you click on a specific gauge it takes a few seconds for the data to load even though the chart looks complete. H5041 almost always appears immediately, so I'm a bit surprised. Other nice features that have remained unchanged are data export and temperature alerts. I love numbers and I love that I can export the data up to the minute and paste it into Excel to compare gauges and see the changes. So far the three that came with the first pack I bought are usually within 0.2 degrees F of each other. Not bad!

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