**Effective Electronic Bird Repeller for Residential Use** **Powerful Ultrasonic Technology** This advanced bird deterrent emits sound waves at 1525 kHz (adjustable), with a 90 dB sound pressure at 1 meter. Silent to most humans, it effectively repels pest birds without harm. **Wide Coverage & Adjustable Settings** Covers up to 900 square feet, making it ideal for balconies, porches, decks, and gardens. Customize frequency and intensity for optimal results. **Safe & Humane Solution** Harmless to children and pets, this device provides a non-toxic, eco-friendly way to keep birds away. No chemicals or trapsjust effective, hassle-free operation. **Dual Power Options** Battery-operated for flexibility, with an included 50-foot extension cord for A/C power. Low energy consumption (under 200 mA) ensures cost-efficient use. **Easy to Use & Maintain** Simply install and adjustno complicated setup. A reliable, long-term solution for bird control in residential spaces. Keep your outdoor areas clean and bird-free with this humane, high-performance electronic repeller. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.