General description Protect your garden and yard with our state-of-the-art solar-powered ultrasonic wave repellent system. This device effectively prevents pests such as moles, snakes, and rodents from damaging your land and entering your lawn, ensuring a clean and safe outdoor space. Technical specifications Material: Aluminum and ABS plastic Acoustic frequency: 400~1000Hz Effective coverage: 650 m² (up to 7,000 square feet) Rated power: 0.06 W Built-in battery: 1.2V 1PC 80 MA NI-MH Installation Choose a sunny location for optimal charging. Ensure the battery is fully charged before installation. Check the ground before installing; avoid frozen or wet soil. Do not use a hammer or excessive force during installation. Keep the unit at least 2 inches above the ground to prevent submersion in water. Usage The solar ultrasonic repeller must be applied continuously for 7 to 14 days for effective pest control. The effectiveness may vary based on soil type, with damp soil being the best