Power supply: solar 60mA/Type-C 5.5V 100mA. Battery: 3.7V 500mAh lithium battery. LED:2LED Frequency: 20kHz-36.5kHz. Suitable for rat, cat, dog, fox, mink and other animal. Function: 1. Ultrasonic waves flash red like fire and drive away animals 2. Solar energy, built-in rechargeable battery. 3. Does not contain chemicals or poisons, 100% environmentally friendly. 4. Outdoor type: The photoelectric sensor detects the surrounding light and automatically turns on or off the LED flash. 5. Different animals have different effects. 6. Applicable places: To repel mice, insects, mosquitoes, cockroaches indoors, to repel animals outdoors. outdoors, to repel different animals on tree trunks, wooden stakes, walls, fences and other places according to different heights. Variable Frequency Ultrasonic - One of the working modes of our cat repellent is that once an animal comes within range and triggers an infrared detector, the animal becomes unwell. comfortable with the variable frequency