2024 Upgraded Ultrasonic Cat Repellent: The ultrasonic cat repellent uses the most advanced ultrasonic technology to produce powerful ultrasound, accompanied by a police flute sound and LED flash. The built-in motion detection sensor is very sensitive. Ultrasonic cat repellent with An infrared sensor emits intense ultrasound and alarm sounds when the animal appears within an arc of 120 degrees and above. less than 30 feet. Different frequencies hunt different species of animals.< /li> 4 Adjustment Modes: Solar Cat Repellent has 4 adjustable adjustment modes. 1: 13khz - 17khz, mainly for rats, dogs, rabbits, foxes, minks and other animals. 2: 16khz - 25khz, mainly for cats, raccoons, badgers, skunks and other animals. 3: 23khz - 35khz, mainly for bats, birds, rats and other animals. 4: 16khz - 45khz, Powerful LED Flash Backup Raccoon, Snake, Wild Boar, Mink. Work All Day: The ultrasonic cat repellent supports USB and solar. It is generally powered by solar cells. All you need to do is