Product Description 1. Motion ActivatedThe sensor sensitively detects moving objects and triggers 120dB alarm tones, ultrasonic and flash to prevent intrusion of bad guys and dangerous animals, protecting your personal safety and the safety of your property . 2. Multi-Frequency Mode When a slow-moving object is detected, the device will start working and return to sleep mode at normal time. You can set different sensitivity modes and set the mode as you need. Different frequencies can be effectively applied to different animals. You can adjust the frequency to determine the scope range. It is recommended to increase the sensitivity to a higher setting. 3. Environmental, WaterproofExercise activates eviction, providing a user-friendly way to scare away unwanted animals. It is waterproof and you don't have to worry about it not working on rainy days. 4.Easy to InstallPoint the product at the area to be protected, select the mode you want, and then put it into the ground. It is equipped with hanging holes, and the nails on the fixed unit can be hung on objects such as trees, fences and walls for the best results. 5. Portable and easy to use You can do animal protection easily push into the ground or hang on a wall. Perfect for garden, patio, driveway, garage, attic, porch, boat, garden, farm, pond, etc. Also, it is portable to take to your campsite to stay away from nuisance from stray dogs, stray cats, and pests. 6. Battery Operation: The battery of the ultrasonic distributor can be charged very easily via the integrated solar cell or the USB port. Please peel off the transparent protective layer on the top of the solar panel to ensure it can absorb sunlight efficiently.