WA9-04 AC/DC, (9-Volt) High or Low Water Alarm, 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, UL listed and CSA approved 9-Volt transformer and float system, 1 Year limited warranty.
Alarms approx 36 + hours on new quality battery

This is the alarm module only without the float, used to create custom devices for alarms