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💧 Stay dry, stay ahead — leak detection that’s always a step smarter.
The X-Sense Water Leak Detector SWS51 is a sleek, battery-powered add-on sensor designed to expand your SWS54 system. Featuring 6 precision probes, it detects water leaks as shallow as 0.4 mm and triggers dual 120 dB alarms for maximum awareness. With an impressive 1804 ft wireless range and IP66 waterproof housing, it’s perfect for monitoring vulnerable spots like basements, kitchens, and laundry rooms. Real-time app alerts and multi-user sharing keep you connected and in control, preventing costly water damage before it starts.










| ASIN | B0BV1KSMDC |
| Audible Noise | 120 db |
| Battery Description | AAA |
| Best Sellers Rank | #97,010 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #76 in Water Detectors & Alarms |
| Brand | X-Sense |
| Built-In Media | 1 Sensor (110 dB) (Base Station not included) |
| Color | Soft white |
| Compatible Devices | Smartphone |
| Control Method | App |
| Customer Reviews | 4.6 out of 5 stars 138 Reviews |
| Item Dimensions L x W x H | 3"L x 3"W x 1.14"H |
| Item Highlight | Real-Time Alerts, 1804 ft Range, IP66 Waterproof, Detects Water as Low as 0.4 mm, for Sinks & Washers & Basements, SWS51 |
| Item Weight | 0.09 kg |
| Manufacturer | X-Sense Electronics., Ltd. |
| Maximum Range | 1804 feet |
| Model Number | SWS51 |
| Mounting Type | Wall Mount |
| Number of Batteries | 1 AAA batteries required. (included) |
| Number of Items | 1 |
| Power Source | Battery Powered |
| Product Dimensions | 3"L x 3"W x 1.14"H |
| Sensor Technology | Contact Sensor |
| Size | Slim (1.14 in Thick) |
| Unit Count | 1 Count |
B**.
Easy to install and great value!
These sensors were easy to install with the APP and so far are functioning as advertised. They are a great value for the money and give me piece of mind against potential plumbing leaks! I highly recommend them!
M**R
Provides audible alerts to base unit and iPhone app when water is detected.
Easy to install and connect with provided software application. Provides audible alerts to base unit and iPhone app when water is detected.
J**C
Excellent!
It all started with a mailbox sensor. I researched all that was offered on Amazon and decided on X-Sense. I am so glad I did. I now also have a driveway sensor, multiple door and window alarms, motion sensors, 6 keypads, smoke and heat alarms, water sensors, temperature and humidity sensors. I have a complete security system and a complete safety system. X-Sense tells you you can have 50 devices on a base station. What it doesn't tell you is that you can have multiple base stations. I have 2, one named security and one named safety. I control everything from the app and get notifications for everything. The available settings in the app are extensive, including naming the device, naming its location, choosing a notification sound, etc. You can set the security alarm for off, home and away. You can set the motion sensors to only function when in away mode. I am just extremely satisfied with everything. Choose a device, tap a button on the app, double tap a button on the device, it connects and you are done. If desired you can then tweek things, even editing the order the devices show up on the screen in the app, as well as naming and renaming whatever you want.
J**B
Simple install and a bargain price
I already had the X-Sense base unit and several smoke/CO detectors. Adding the water detector could not have been easier. Batteries were already installed, and all I had to do was go into the app on my phone and click "+" to add a device. It prompted me for what type of device and then told me to double-tap the one button on the detector. From there, it "found" the detector and added it to my network. A cost effective solution!
I**Y
Works Decent But…
This Product is great and does work well enough to pay for itself. I installed the base station and a total of 6 water leak sensors. The set-up is easy and not difficult to understand at all; however, I find while setup is easy, connection to the Wi-Fi is only 2.4ghz like most IoT devices. The main problem with today's IoT Devices and not all of them are up to date with the WiFi Security standards the base station only allow 2.4ghz on WPA2 or WPA 2/3 and it doesn’t allow Protected management frames. For the WiFi I believe the base station has a security weakness. The Water leak sensors pair fast and easy and are very sensitive, we discovered a sink under our kitchen sink the first day of install. Both the base station and sensor alert making it known a leak has been detected, additionally they can be silenced as well. The App controls are easy to use and firmware updates are possible. The sound control on the basestation is limited but making adjustments using App allows for sound changes.
L**K
It paid for itself many times over.
I use this in an RV in the water heater cabinet which has several valves and junctions. RV plumbing can be a bit janky so i feel better monitoring for leaks. One night this sensor caught a small puddle from a dripping threaded pipe adaptor and provided an unmistakable alert. I fixed the issue immediately before the water had a chance to roam about and soak all the cabinetry. Highly recommend!!!
U**N
Pretty Straight Forward.
I replaced a bunch of old detectors that would randomly trigger and need a stool to reset with these. Plus I added the water detector. Hoping that they are more reliable and convenient. Particularly like that that they are networked and remotely accessible. Installation was as expected but I found the choice of hole placement for the mount a bit of overkill.
J**D
Peace of mind
This is a great system for home protection Works well and easy to install
Trustpilot
1 week ago
3 days ago