SwitchBot WiFi Water Leak Detector, Smart Water Sensor with 100dB Adjustable Alarm&App Alerts, IP67 Waterproof, Detector for Home with Cable, No Hub Required (Support 2.4G) (White, Pack, 1)

This was exactly what I needed to monitor my pool cover vault when my sump pump died. I put the sensor on the side of the wall so I know if the water level rises past the pump level and know there is a problem before it is too late. The setup was super easy, no hub required, and great design. The app makes it super easy to monitor the status too.

This is the best one on the market. I’ve done enough research to know as I already had to return another where you have to buy a separate hub for your house. This did not. This did exactly what I wanted it to do by having a very simple set up with an extender wire to detect leak in my sump pump. It easily connected to my smart phone and my home network, and I had it up and running in about 10 minutes. Excellent product if I could give it six stars, I would.

I had issues with my basement flood after moving into my new home. The septic tank broke and we would have to go turn it on manually to drain every hour our of fear it would destroy our flooring. Due to the high flooding in our area we couldn't get anyone to come out for 2 weeks. Everyone was booked. We bought on of these and we were finally able to stop taking shifts sleeping. It works! Easy to set up for notifications to you phone and email. It's now one of our go to house warming gifts.

I recently placed the SwitchBot Water Leak Detector under my kitchen sink due to some recent leaks, and it works great! I opted for the version with the cable, which provides four points of water detection -- on both the main body (top and bottom) and the sensor cable (top and bottom). This gives me extra peace of mind with more coverage.The sensor is incredibly sensitive to moisture, so even just slightly damp fingers will trigger the alarm. The alarm itself is loud enough to be clearly heard when needed.The only downside is the battery compartment. Opening it was surprisingly difficult, and I ended up bending and breaking the small pick that came with the device. I had to use a blunt-tip pair of scissors to pry it open. I’m not looking forward to replacing the battery when the time comes, as it was quite frustrating.

Thanks to this product it has saved our basement from flooding 2 times in 1.5 weeks!!!!!Septic backup, and boiler leak!!!! So worth it! I will be buying some more for other areas!

The sensor works perfectly and is very sensitive. I have a water heater in my attic that's sitting on an overflow pan. For some reason, it started leaking randomly and overflowed the pan, causing water to leak through the ceiling. What a nightmare. I got this sensor and it alerted me after another leak. It allowed me to immediately go up and check it out. I located the issue, fixed it and the pan didn't overflow this time. It went off one more time after a small droplet tripped the sensor, so it's very sensitive, which is good. Overall, I'm extremely happy with it and it's way better than anything else on the market.

I recently bought a 3 pack of the water leak detectors. I placed them in my basement to track down where water was coming from and when it appeared so I could promptly dry it. They have worked well so far and have alerted me to a few times that water has appeared. The audible alarm, push notification and email have all been helpful.

If you aren't comfortable with the China -based software running on your phone, you don't have a lot of options to get the notifications from this water sensor. I set up home assistant which can connect to this device via Wi-Fi, and can do automations based on the wet/dry triggers.Bottom line: it does work to sense water, but to get notified you need to work at it.