high or low water alarm  wa9-04 ac/dc, (9-volt) high or low water alarm - 10 ft float cord - reversible by user to detect high or low water condition - user safe 9-volt ac power, 9-volt dc backup - 6 foot ac cable - std. 10 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 installation - attachment 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