U.S. Solid’s water leak detector solves a specific problem: what happens when you’re not home and a supply line bursts. Most alarms just scream at you until you run back to turn off the water. This one does the thinking for you.

The motorized ball valve sits inline with your 1/2-inch pipe and monitors for moisture via the contact sensor. When it detects a leak, it shuts the water off automatically. No app required. No frantic phone call to a neighbor. The valve is IP65 rated and built to last 50,000 hours, which is roughly 5.7 years of continuous operation. The wall-mounted sensor covers up to 19.69 feet of floor space, enough to watch over a washing machine, water heater, or under-sink area.

One honest note: this is a wired, physical installation. You’ll need basic plumbing skills to fit the valve into your line. It’s not a quick-clamp solution. But for the peace of mind that comes with automatic shutoff, the extra 20 minutes with a wrench is worth it.