Sonin Water Alarm with Dual Sensor 00702 is great money saver. Sonin will work for you when you need to step away from filling your bathtub, swimming pool, spa or aquarium. The Sonin Water Alarm with Dual Sensor 0-0702 can detect water from two locations. Sonin Water Alarm 702 expands across the area you want to cover and detect water up to 12 feet from first sensor. The Sonin Water Alarm with Dual Sensor 702 will warn you if your bathroom, kitchen, laundry or any room may have a potential leak or overflowing. The Water Alarm with Dual Sensor is a great Sonin tool. It can be easily operated by placing the sensor at the lowest point of the floor and the alarm will sound when water builds between the two contacts. This tool has an alarm with a loud 85dB buzzer that will sound up to 3 days when water has reached the desired level when filling pools, tubs, sinks, and aquariums.