1.Motion ActivatedSensor 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 ModeWhen 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.Human & Environment FriendlyThe animal repeller will scare away the animal intruders with ultrasonic sound and flashing light with no harm to them. No messy chemicals and pesticides, no traps, no dead animals and advocating environmental friendliness. 4.Portable & Easy useYou 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. 5.Solar Powered & WaterproofThe repellent can be directly charged by solar energy in the sun equipped with solar panel on top of the device to recharge batteries, as well as USB rechargeable. When exposed to rain, snow and ice, its waterproof function can protect from wetting, thus protecting your garden and farm all year round