1.Cat deterrent for garden: when the PIR infrared motion sensor of the cat repellent detects a passing animal, the cat repellent device triggers a strong ultrasonic wave with short duration to drive away animals and pets such as cats, dogs, squirrels, mice, skunks, raccoons, mice and deer from your yard, garden, patio, farm, orchard and your house well. Please install the device in the direction of animal invasion for a better effect. 2.Intelligent and automatically activated PIR: the motion sensor had a detection angle of 120 degrees and the range was up to 10 metres. When it detects a moving animal in the detection range, it will trigger the ultrasound or flashing light of the cat deterrent. Effective for repelling most animals such as cats, dogs, moles, rats, rabbits, squirrels, raccoons, cats repel martens and foxes etc. to protect your entire garden. 3.5 adjustable modes: The repellent has been developed with 5 modes: mode (the machine is off); mode 1 (ultrasound from 13.5 to 20 kHz); mode 2 (ultrasound from 15 to 25 kHz); mode 3 (25 34.5 kHz ultrasound); mode 4 (flashing. LL); 5 (Function together: Mode 1, Model 2, Model 3). You can also adjust the sensitivity and frequency, and select defense method 4. charging solar design and waterproof: This waterproof, solarpowered cat repeller has a solar panel at the top, so you don't have to worry about additional batteries as it can be reused with solar charging. This waterproof ultrasonic cat repellent is IP65 waterproof certified and can easily withstand rain, snow or wind and can be used in any weather.