X-Sense makes reliable, no-nonsense home safety gear. The SWS51 Wi-Fi Water Sensor is a focused tool for one job: giving you an early warning the moment it detects moisture where it shouldn’t be. It’s a critical, affordable line of defense for spots like under the sink, behind the washing machine, or near the water heater.

This sensor connects to your home network via the required SBS50 Base Station, which then pushes alerts directly to your phone through the X-Sense app. The 110 dB local alarm is startlingly loud, enough to hear from another room if you’re home. Setup is straightforward, but note it only works on a 2.4 GHz Wi-Fi band. A single included AAA battery powers it for up to two years, so you can mount it and largely forget it.

Its design is purely functional. You get a reliable, immediate alert system without a monthly fee. Just remember, this is an accessory that requires the separate base station to function—it doesn’t connect directly to your router or app on its own. For those already in the X-Sense ecosystem or planning a multi-sensor setup, it’s a solid, single-purpose component.