Product description 1.Motion Activated. Sensor sensitively detects moving objects while triggering 120 dB alarm sounds, ultrasound and flash to prevent intrusion of bad guys and dangerous animals, protecting your personal and property safety. 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 needed. Different frequencies can be effectively applied to different animals. You can set the frequency to determine the range area. It is recommended to increase the sensitivity to a higher setting. 3.Environment, Waterproof. Exercise activates eviction, providing a user-friendly way to drive away unwanted animals. It is waterproof and you don't have to worry about it not working on rainy days. 4.Easy to install.Point the product to the area to be protected, select the desired mode, and then insert it into the ground. It is designed with suspension holes, and the nails on the fixed unit can be hung on objects such as trees, fences and walls to ensure the best results. 5.Portable & Easy use.You can simply push the animal repeller into the ground or hang it on a wall. Perfect for yard, patio, driveways, garage, attics, porches, boats, gardens, farms, ponds, etc. Even it is portable to take into your camping to be away from stray dogs, stray cats and pests harassment. 6.Battery operation.: The battery of the ultrasonic distributor can be charged very easily via the integrated solar cell or the USB connection. Please peel off the transparent protective layer on the top of the solar module to ensure that it can absorb sunlight efficiently.