Powered by solar energy, this animal repellent features a passive infrared (PIR) sensor that can detect motion and trigger an ultrasonic speaker to emit a tone that people can't hear but chase away common outdoor animals like dogs, cats, deer, raccoons, mice, etc. It is a safe and humane way to keep unwanted animals away. Features: equipped with a passive infrared (PIR) sensor detects movements and triggers the ultrasonic speaker to emit a tone that people cannot hear but hunt common animals in the open air. The detection coverage can reach up to 30 feet depending on the size of the animal. A highly efficient solar panel ensures that it always operates with sufficient energy. The waterproof design allows it to work in all weather conditions. Eco-friendly and versatile: no pitfalls , no dead animals and no chemicals. It is a safe and humane way to keep unwanted animals away. Specifications: Model: Model A / Model B / Model C (optional ) Material: ABS Sensor distance: up to 30 feet Frequency range: 400Hz-1000Hz Power supply: 5.5V solar panel and four 1.5V AA batteries Waterproof rating: IPX4 Item size: 37.5 * 15 * 8.5cm / 14.56 * 5.9 * 3.34inch Item Weight: 204g / 7.19 oz Package weight: 289g / 10.19oz Package size: 15.5 * 14.5 * 7.2 cm / 6.1 * 5.7 * 2.83 inch