describe illustrate: Ultrasonic driving agents are an effective and safe way to protect your car against harmful insects and rodents such as mice, cockroaches. The ultrasonic range is constantly changing from 24 to 84 KHz to prevent mosquitoes only adapt to a certain frequency. Use this repellent in your home, warehouse, office, garden, hotel, restaurant, cafe and more. Forget the pests. feature: Pest Control Vehicle Repeller: Fires a combination of ultrasonic and LED flashlights to ward off pesky animals. VERSATILE USE: Made of flame retardant PC, it is also very useful in kitchens, warehouses, garages, etc. Vibration switch: automatically turns off when vibrating or when the car is running, and the stars work automatically after stopping, saving energy. Rat poison warehouse: Add insect repellent powder to increase the insecticidal effect and screw on the rat repellent to prevent accidental leakage. how to use: 1. Power on: press the button to start working, the red light in the