:Ultrasonic cat deterrent have 5 different sensitivity modes, which can be set according to needs, different sensitivities can effectively act on different animals, and the level suitable for the range area can be set, the powerful ultrasonic signal scares away dogs, cats, wild boars, mice, birds and many more animals. : Ultrasonic cat deterrent No chemicals harmful to human health, Passive Infrared Sensor (PIR) detects motion and triggers, then ultrasonic speaker makes noise to scare away common outdoor animals. Solar dog deterrents only keep animals out of the garden, not harm them. :Ultrasonic cat deterrent can be installed on the ground or hung on objects such as trees, fences and walls with the provided nails to ensure the best results (direct sunlight is recommended). Very effective deterrent to cats, mice, dogs and more. This deterrent has a 110 degree angle and an effective range of approximately 30 feet, depending on the size of the animal. :Ultrasonic cat deterrent provide two charging methods. Designed with a solar panel and charging indicator light, it comes with rechargeable batteries and USB cable. Please charge the device before use. :Ultrasonic cat deterrent Great for garden, patio, farm IP-4 waterproof rating, sturdy hard plastic construction can withstand rain, snow, ice and wind, you can use them in any weather conditions and still work. Reminder: Do not touch the charging port when charging.