Ultrasonic Repellent: This cat repellent works with ultrasonic and LED lights to drive away dogs, cats, martens, raccoons, mice, birds, foxes, rodents, martens, game animals, etc. The device works without chemicals and is harmless to humans and animals. Motion Sensor: Dual speaker design with expanded degree for sound wave emission, acoustic coverage up to 5000 sq.ft; Infrared sensor right and left angle is 110 degrees, up and down angle is 55 degrees, as long as the animals are close within 30 feet, ultrasonic repeller will be activated by motion sensor.< /p> Waterproof and weatherproof: The unique seal and waterproof design allow you to install it anywhere. The animal repellent can be mounted in the ground or on the wall or directly placed on a flat surface. Ideal for outdoors such as gardens, yards, patios, garages, driveways, patios, farms, ponds but also attics etc. 2 charging modes and 5 charging modes adjustable: Built-in 3 AA batteries, charged by solar power during the day.