The Basement Watchdog has been protecting homes for over 30 years and continues to lead the pack. We build the most dependable, user-friendly pumps and accessories in the industry using intelligent design, premium components, and quality manufacturing practices that include thoroughly testing every single unit. Detects as little as 1/32 in. of water to offer an effective early warning system Solid-state circuitry is extremely sensitive and reliable Loud 110 dB alarm can be heard throughout the house Sensor has a 6 ft. wire so it can be extended into a sump pit, or mounted on a wall Accommodates the addition of more than 100 ft. of wire (additional 24-Gauge wire not included)