This is the ultrasonic technology used by mouse repellent, which is cruelty-free, environmentally friendly, pollution-free and efficient Powered by solar panels, the cord of The power supply is not messy, low power consumption and environmental protection With PIR motion detector, it will activate the system to emit ultrasonic frequencies by detecting motion within a certain range Adjustable ultrasonic frequency can repel different animals, such as birds, dogs, foxes, mice, squirrels, etc. Weather protection, designed for outdoor use, effectively protects your crops or garden from damage Delivery quantity: 1 * mouse repellent