Overview Color : Gray Brand : THE BASEMENT WATCHDOG Power Source : Battery Powered Compatible Devices : Various water-prone devices and areas Product Dimensions : 2.38"L x 1"W x 3.25"H About this item Patented design allows it to detect water on any side Senses as little as ¹⁄₃₂" of water Compact size (2⅜" x 1" x 3 ¼") fits almost anywhere Piercing 110 dB alarm can be heard throughout the house Save money by detecting leaks early, before costly water damage occurs Solid-state circuitry is extremely sensitive and reliable Battery-saver feature only uses energy when the alarm is sounding Requires a 9-volt alkaline battery (not included) Place in a variety of locations: Next to a sump pit, near water heater, by refrigerator, adjacent to dishwasher, beside washing machine, under sink or close to air conditioner drip pan