Protect your yard, fruit trees, vegetables, flowers and water features from hungry or destructive animal intruders. The ScareCrow motion-activated sprinkler automatically detects deer, raccoons, heron, dogs and more as they approach, and repels them with a short but startling burst of water. The sudden noise, movement and spray scares animals away, teaching them to avoid the area in future. Works day and night without chemicals or unsightly barriers. Can be linked to other ScareCrows to form an effective water barrier. Conserves water - uses just 2 to 3 cups per deterrence. Operates for up to six months on a single nine-volt battery (not included). One scarecrow covers approximately 1200 sq. ft.