Overview Product Description WA9-04-50 AC/DC, (9-Volt) High or Low Water Alarm 50 ft Float cordReversible by user to detect High or Low water condition User Safe 9-Volt AC power, 9-Volt DC backup 6 foot AC cable 50 foot float cable Easy conversion From high water to low water (switch 2 wires) alarm 85 to 90 Decibel sound alarm Reliable Non-Mercury float switch Easy installationAttachment strap included Corrosion resistant ABS float UL listed and CSA approved 9-Volt transformer and float system, 1 Year limited warranty. Alarms approx 36 + hours on new quality battery Notes: due to the this being a low tech device... it does not have a low battery chirp. You can test every so often by pushing test button, Quality batteries will last 1 to 3 years before you should change. Product Videos Custom Field Product Reviews