HW-9 9V DC High Water Alarm, 85-decibel
Brand: Little Giant
Mfr Part#: 513350
Little Giant HW-9 (513350) Low Voltage High Water Alarm.
Sensor, that detects water, and alarm connected by 6ft of wire. Adaptable with additional wire (not included) for locating up to 50ft apart.
Powered by 9-volt battery (not included). 85-decibel alarm can sound for 3 days.