Usage Tips:Effective & Powerful Ultrasound Cat RepellentPowerful ultrasound matched with Siren. Equipped with an infrared motion sensor (PIR sensor) and a flashing light, which enables the repeller to be activated automatically once animals enter the protected range, humanitarian drives away unwelcome wild animals, protecting your life from being disturbed. Human and friendly to the environment. Higher Sensitivity & Larger Detection AreaThe motion sensor covers an angle of 110 degrees left and right, as well as a 50-degree arc from top to bottom, up to a maximum distance of 8 m for monitoring, and coverage up to 230 square meters. High-frequency sounds are irritating to animals, but humans can hardly hear them. Get rid of animal droppings, food destruction, noise, and footprints in just a few days. Solar Powered & WaterproofThe ultrasonic cat repellent is equipped with a solar panel on its top and can be charged by solar energy. Solar power charging is such an economical and environmental way that can save lots of money for you as well. Thewaterproof design makes the device stand rain, snow, ice, and wind, allowing it to work all year-round and in virtually all weather conditions. Easy To Install & UseSimply place the spike of the unit in the ground where you would like the device to operate or the unit can be hung onto a wall or fence. Just insert the spike into the ground where has sunlight and switch it on. The device emits high-frequency tones of different heights that are inaudible to people. No traps, no dead animals, no messy chemicals or pesticides. Multiple Occasion Animal RepellerThis animal repeller can be used to protect anywhere from disturbing wildlife, provide 24-hour protection for your farm, garden, yard, lawn, patio, garage, cabin, shed, or wherever safe and effective pest control is needed. Pest repellent can effectively expel intruders such as foxes, dogs, cats, squirrels, marten, raccoons, bats, badgers, etc.