Safe Ultrasonic Repellent- Solar Mole Repeller Stimulates the central nervous system of mice by vibrating and emitting sound waves from 400 to 1000 Hz, it can repel mole, snake, rodents and other destructive rodents, ideal for garden, farm, greenhouse, effective against rodents like cockroaches, rats, mice, snakes and other pests, no harm to people Solar Animal Repeller- Mole Repellers built-in high-tech solar panels, it is It can be charged directly by solar energy, no extra batteries required, which saves a lot of energy. The installation is completely wireless and hassle-free. Which only asks 4 hours for full charge under sunlight. Everything makes your life easier Wide Working Range- When an animal enters the area, an infrared sensor is activated. The right and left angle of the infrared sensor is 110 degrees, effective distance: 6 8 meters depending on the size of the animal. For optimal performance we recommend installing 2 devices every 20 feet in the garden or on the patio. It usually takes 2 weeks or more for pests to leave the area Waterproof and Durable - Rat Repeller has good IP65 waterproof performance and is not afraid of rain. Made of strong ABS plastic and corrosion-resistant aluminum, safe and free of chemicals, as well as ensuring maximum durability and longevity. Quality Assurance- Solar Mole Repellent no radiation, chemicals no odors, safe for humans, our pets and the environment.