Ultrasonic Solar Mouse Repellent - The ultrasonic mouse repellent vibrates through the buzzer and generates 400-1000Hz sound waves, stimulates the central nervous system of mice, harmless to the human body and provides a safer way and more effective to repel mice instead of using chemicals or harmful substances to repel mice. SOLAR CHARGING - Built-in high quality polycrystalline silicon solar panel for up to 400 working hours uninterrupted when fully charged, simply plug the solar mouse repeller into a sunny spot in your yard to activate interrupted garden pests without having to replace the battery. Safe and Waterproof - Hint IP65 mole proof seal, made of sturdy ABS plastic and corrosion resistant aluminum, safe and chemical free. No radiation, chemicals or odors, safe for humans and our pets. Green enclosures are perfect for hiding between plants or as a garden decoration. Wide Coverage - Can be used in the garden, yard or outdoor camping, and can also repel animals that hide in dead places. The device works in square mode with a radius of about 15 meters and covers an area of up to 650 meters. For best results, we recommend installing 2 units every 100 feet for the desired floor area. SUITABLE FOR INDOORS AND OUTDOORS - This outdoor rodent repellent operates 24 hours a day, day and night. Ideal for indoor and outdoor use such as gardens, yards, garages, driveways, farms, ponds and attics. It will protect your farm, garden and yard indoors and outdoors, making it perfect for you.