2 Pack Cat Deterrents For Gardens,ultrasonic Pest Repeller Battery Operated Motion Activated Cat Repellent For GardenSafe/humane way to keep cats and other unwanted vermin (dogs, foxes, squirrels, rodents, some insects) at bay with fully adjustable sensitivity and frequency Infrared PIR motion sensor detects motion and body heat (reduces false activation, prolongs battery life) up to 7 meters, activates the cat repeller emits a high frequency sound that irritates cats, barely audible to humans EASY TO INSTALL - Includes galvanized ground stakes and tabs for direct mounting to a wall or fence. This cat repellent is completely weatherproof so you can get outside in any weather. Requires 3 AA batteries (not included) Battery life varies with activation, but customer feedback varies from 6 weeks to several months