ELENKER Scarecrow Solar Motion Activated Animal Repellent Garden Sprinkler Electronics scarecrow motion-activated sprinkler for humane animal deterrence. Scarecrow detects and sprays animals in a 1000-square-foot area day and night( Notice that use it above 32 degrees F) It is effective day and night and can operate 2-6 months on a single 9V battery (9-volt battery not included). Each activation uses just 2 to 3 cups of water The sprinkler directs water accurately up to 35 feet (8.5 meters) outward in an arc, protecting a 1000 sq. ft. (90 square meters) area You can control the spray width of the ScareCrow from 0 to 300 degrees and raise or lower the arc of the water spray You can also set how sensitive you would like the ScareCrow to be. The sensitivity dial has the option of settings from 0 (off) to 9 (highest sensitivity at the farthest range)