Orbit® 62100 Yard Enforcer Mounted Sensor Impact SprinklerThe Orbit Yard Enforcer is the easiest and most effective way to keep deer away from the garden, repel dogs off the lawn, and deter cats out of flowerbeds. Other pest and animal repellent methods simply do not provide the same level of simplicity and control: deer fences are expensive; deer netting is inconvenient; and, deer repellent wears off. The Yard Enforcer motion activated sprinkler is the proven way to protect a 1600 square foot area. When it