Doberman Security SE-0111 Water Detector Alert 100dB Alarm (Gray / Silver) Loud 100dB alarm will alert you of any water leakage. Sensor extends to the floor from mounting site. Easily mounts onto any wall with included adhesive (peel / stick). For use in basements and other potentially damp household areas, identifies pipe bursts, leaking washers or a flooded basement before significant damage can occur. Requires two AAA batteries (Sold Seperately)