Tip of Ultrasonic Animal Repellent1.Keep solar pest repeller under the sun to charge for at least 2 days before installation. 2.Some animals may not respond immediately and may need to wait between two and four weeks for it to work. If there is any issue, just let us know then we will offer a satisfying solution especially for you 2024 Upgraded Animal Repeller OutdoorThe cat repellent outdoor can detect animal motion and send out powerful variable frequency ultrasonic, alarm sound and LED flashing light, which make animals panic and uncomfortable but not affect human, in order to achieve the purpose of driving the dogs, cats, wild boars, mouse, birds and more other animals away from your zone, house, garden, or yard more Effective & Drive Animals Away in a Humane WayOur ultrasonic animal repellent has an advanced built-in PIR motion sensor, which detects movement within a 110 degree arc and detects motion up to 26 feet, emitting ultrasonic waves at frequency of 13.5-45kHz to scare the dogs, cats, wild boars, mouse, birds and more other animals away from your zone, house, garden, or yard more Solar Powered & WaterproofThe top of the animal deterrent adopts solar panels, which can convert the sunlight into electricity, that benefits in energy saving and environmental protection. IP44 rating waterproof design supports it to be used in any weather conditions Safe & Human DesignThe squirrel repellent outdoor is only to drive the animal from garden without any chemicals. No chemical components hurts human's health, the passive infrared sensor (PIR) detects motion and triggers and then the ultrasonic speaker make a noise to scare squirrel deer raccoon rabbit cat dog skunk fox away from farm yard garden