Newly introduced outdoor cat repellent processor in 2021. Equipped with sensitive PIR sensor, it can effectively prevent other animals from entering. Functions The main functions are barrier against insects, anti pigeons, mouse repellent, pest rejection, anti cats, anti pigeons for balcony. Ultrasonic mode: 0: close< p>1: 13.5kHz-19.5kHz. Repellent of mice, rats, dogs, foxes, minks and other animals. 2: 19.5kHz-24.5kHz. Including cats, raccoons, skunks and other animals. 3: 24.5kHz-45.5kHz. Expel bats, birds, rodents and other animals. 4: Dazzling flashes. Drive out raccoons, boars, mink and other animals. 5: The frequency is variable and the LED flashes to scare away all animals and birds. Settings of the cat repeller:< /p> Solar panel: polysilicon 5.5V 90mA 3.12*1.70 inches Frequency range: 13.5kHz to 45.5kHz Charging voltage: USB 5V 1A, full charge for 3 hours < p>Note: 1. Please use the USB cable to charge the battery for the first time. 2. Animal eviction will not be