SUPER EFFECTIVE & HUMANE DESIGN ➤Solar ultrasonic animal repellent repels animals by emitting ultrasonic sound, alarm, and LED flashing light without any chemicals. The high-frequency noise and ultrasound make animals uncomfortable, do not affect humans. It’s a humane way to deter mice, skunk, deer, fox, wolf, rabbit, owl, raccoon, bird, and most other wild animals so as to protect your courtyard, chicken coops, livestock, campsites, farmland, orchards, and much more other properties. SOLAR-POWERED & WATERPROOF ➤The ultrasonic cat repeller outdoor features solar charging as well as USB charging on the top, so there’s no need to worry about the ultrasonic cat repeller needing a power outlet or changing batteries outdoors. Solar energy can effectively charge the product, and in special weather, you can use USB to charge the dog deterrent for the yard and keep it on standby all day. Premium ABS plastic construction with IP44 waterproof rating for any harsh weather conditions. ADVANCED