Water Alarm uses 9 volt battery (included).
Water Alarm uses 9 volt battery (included). Place unit anywhere water my develop. As soon as the unit detects water it will sound an 85 db alarm. Small size of 82 by 33 mm. Great wherever water leaks might occur. A MUST have for all aquariums, reverse osmosis systems, hydroponic systems, aquaponic systems and water recovery systems.