Ultrasonic Pest Repeller for Cats:The solar insect repellent adopts the principle of infrared detection, which emits small waves while driving away small animals and birds. This can help you keep away harassing cats, hamsters, rabbits, deer and other stray animals, protecting your garden and property from garden infestation. Waterproof and Easy to Use:It is an excellent outdoor cat repellent, designed with a hanging hole, which allows you to hang objects such as trees, fences and walls to ensure the best results, or place ground stakes underneath, its The waterproof design allows it to operate in all weather conditions. High Sensitivity:The motion sensor covers left and right 110-degree angles, and up and down 50-degree arcs, and the maximum monitoring distance is 10 meters. Assay quality depends on the size of the animal (the larger the animal, the wider the range). Solar energy, rechargeable battery:Optional lithium rechargeable battery, can work continuously for 2-3 weeks even on cloudy days. If it rains for a long time, please use the USB charging cable to charge. Compared with the type of battery replacement, there is no need to worry about the battery running out of power. (Approximately 3 hours to fully charge). Safety and Environmental Protection:Solar Mosquito Repellent is designed with loudspeaker and uses ultrasonic waves and LED lights to repel animals: environmental protection, no chemical substances, safe for human body and safe for humans and animals.