"Product description1. [Infrared principle]: The animal repellent uses the infrared detection principle, to send an ultrasonic probe at the same time to drive away small animals. The solar animal repellent can help you stay away from annoying pests, harassed dogs, cats and other small animals to protect your property and garden. deterrent against woodpeckers2. [Portable Design]: Since the animal repellent is a portable design, it can be installed in your house, garden, yard or anywhere, this product is low voltage power supply with battery, this product can drive animals without chemical warranty , it is only emitted at an ultrasound frequency of 25 kHz which kept them apart. there will be no harm to human body.3.[Motion activated]: The sensor sensitively detects moving objects while triggering 120dB alarm sounds, ultrasonic and flash to prevent the intrusion of bad guys and dangerous animals, thereby protecting your personal safety and that of your property.4. [Motion Detector]: This is a non-stop infrared sensor output signal ansmission when the sensor detects animals within the detection range, it will automatically send out an acoustic frequency to drive the animals and the LED will light up followed. 5.[Portable & Easy Use]: You can simply push the animal repellent into the ground. Perfect for yard, patio, driveways, garage, attics, porches, boats, gardens, farms, ponds, etc. Even it is portable to take to your campsite to be away from stray dogs, stray cats and pest harassment.