X-SenseSmart Smoke Detector Fire Alarm with Replaceable Battery, Wi-Fi Smoke Detector, Real-Time App Notifications, XS01-WX, 1-Pack

Even after seeing the measurements online, I was shocked at how tiny this smoke detector is. Don't let size fool you though, it's loud! It's easy to install and I like being able to connect to the app to make sure everything is running ok or to get notified of any problems. I haven't had the fire alarms go off yet (thankfully) but we've got the water leak detectors in the basement and they've worked perfectly so I would expect the same from the smoke detectors. I'll be ordering more of these detectors or the combo ones with carbon monoxide detection as well for the rest of the house.

We have existing hard wired smoke detectors in the house. Having something that can communicate to my phone provides better peace of mind. I haven't done a smoke test, but let's hope we never have to cross that bridge if these in fact do work while powered. The smoke detectors came packaged well. It was a little difficult to remove the back cover. Battery was already installed with a strip that needed to be pulled off. Getting these mounted was a breeze. The app took a little getting used to. Particularly around the naming for the devices, home, etc. So far so good. I notice that every now and then it will rapidly blink blue for about 5-10 seconds then stop. Not sure if it's just confirming/establishing a wireless connection?

Received detector, easily connected to WiFi network with app. Then the alarms began - constant alarm state without any conditions. Reached out to support via email included in package and they responded within 24hrs. X-Sense worked quickly to ship me a new unit to replace the malfunctioning one.

Have had for 1.5 years and would buy againCons:-one of the alarms is in our hallway and sometimes it gives off a SUPER bright blue light. It wouldn’t bother us normally but if the side of our bed was facing the door it could easily wake us up. (Haven’t been able to get a video of this yet)FYI:-have not actually had it go off (thank goodness) but it worked when we tested it.-we bought two for our house

Arrived fast. Easy to set up. Clear instructions. Adds peace of mind when I'm away. Works well.

2nd Smoke Detector:After ordering a replacement smoke detector, because the first one wouldn’t connect with the Hub. The second smoke detector would not connect with the hub. My Wi-Fi works great. My Bluetooth worked great. The QR code didn’t work. I contacted X-Sense for Assistance and received a reply that they were out of the office for three weeks. That three weeks would’ve been past the return window. So their customer service was nowhere to be found as they actually shut down the company for a three week vacation. I was left with a smoke detector that would not connect to the hub. If I wanted to stand alone, smoke detector, I would’ve bought one. But the point of having a smoke detector connected to a hub, which is connected to Wi-Fi, so that I could be notified if there would be a fire in my home when I wasn’t there.My suggestion, find a different brand.1st Smoke Detector:The smoke detector was not ready to use as it came with a 100% dead battery. I will be ordering the battery that I need and hopefully in a few days when I receive them, I will be able to try to connect and use my new smoke detector. So if you decide to purchase this, make sure you order CR123 batteries at the same time. After installing the new battery, after at least a dozen attempts, they smoke detector would not connect with the hub.

Very good. It was easy to connect and the test immediately on my cell phone. A minor peeve, if the mounting screws are installed level, the unit itself is just a few degrees out of being perpendicular.The instructions were complete and gave a range of acceptable mounting dimensions.It works! Had it on the kitchen counter before I mounted it on the wall, when I exhaled the vapor from my vape, it set it off and it sent a notification to my phone. I am highly confident that I will receive very timely notification should fire erupt in my house.I intend to purchase several more for optimum coverage of my home.

Simple and works great