About this item Advanced Motion Sensor Technology: Ultrasonic animal repeller‘s passive infrared sensor (PlR) sensitively detects movement and triggers the ultrasonic speaker to emit powerful ultrasonic waves that people can’t hear to keep animals out of your sanctuary in a peaceful and safe way How It Works: The BLUE light indicates the charging status, turn on the switch underneath the deer repellent and the RED light and ultrasonic wave will activate for 15 seconds. During this time, there will be a 2.5 second audible sound.Once activated, the deer deterrent will go into standby mode until the PIR sensor detects movement Safe and No Harm Scare: Rabbit repellent uses humane way to stop animals from entering the living area, emitting ultrasonic waves to scare deer cat dog mouse bird skunk raccoon squirrel rabbit and other animals away from your zone, house, garden, or yard. Pure physical repellent method, harmless, will not cause harm to animals and humans Solar Powered & Waterproof: The top of the animal deterrent adopts solar panels, which can convert the sunlight into electricity, that benefits in energy saving and environmental protection. The outdoor repellent is made of durable ABS material with the special waterproof exsuring normal use in any extreme weather conditions Wide Coverage & Applications: Animal deterrent device with a detection range of 20-25 feet and a 110-150° coverage angle, it ensures comprehensive protection for your outdoor spaces. Continuous using for 2 to 3 weeks to obtain the optimal effect. Great for keeping unwanted animals away from farms, gardens, yards, orchards, lawns, vegetable patches Easy to Use: For the first use, charge the solar panel in direct sunlight for 2 days. After assembling the cat deterrent, select a right place to insert , ensuring sufficient direct sunlight and covering the area to be protected, preferably about 9-10 inches above the ground