This product uses infrared detection principle to detect small animals and send out ultra-sonic waves to drive them away. It can help you stay away from the nuisance of stray dogs, stray cats and other animals, so as to protect your property, your garden and your yard. Features: Portable design, it can be installed anywhere in your home, garden, or courtyard. Drives animals away without any chemicals. Adjustable sensitivity, distance and frequency, suitable for different regions and animals. There are two charge methods: solar energy charge or battery charge. IP56 waterproof, can handle severve weather. It has the mode of driving away large animals, with continuous strong flash at night to drive away large animals. The back of the main engine is provided with a panel, which is convenient for the products to be hung on the wall. It can be used alone or fixed in the soil with a plunger. Specifications: Material: plastics Rated frequency: 13.5-28.5KHz Rated voltage: 5V Battery: 3.7V,