General description Protect your garden and yard from pests with our state-of-the-art solar-powered ultrasonic wave repellent system. This device effectively prevents moles, snakes, rodents, and other destructive pests from damaging your property and invading your lawn. Technical specifications Materials: Aluminum and ABS plastic Acoustic frequency: 400-1000 Hz Effective coverage: 650 m² (approximately 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 device is at least 5 cm above the ground to prevent submersion during rain. Avoid using a hammer or excessive force during installation. Check the ground condition; avoid frozen or waterlogged areas. Usage It takes only 4 hours to fully charge in sunlight. For best results, apply continuously for 7 to 14 days to encourage soil rodents to leave the area. Effectiveness may vary based on soil type; wet soil conducts sound better than dry,