General description Weather resistant and designed for outdoor use, this Solar Pest Repeller effectively protects your crops or garden from destruction. Utilizing ultrasonic technology, it is a humane, ecological, pollution-free, and environmentally friendly pest control device that operates with high efficiency. Technical specifications Power source: Solar panel Functionality: Ultrasonic frequency emission Detection method: PIR motion sensor Usage The adjustable ultrasonic frequency can repel various animals such as birds, dogs, mice, squirrels, etc. The device triggers the emission of ultrasonic frequencies when it detects movements within a certain range.