While other bat repellents may not be pet-friendly, have unpleasant odors, or lack effectiveness, Pest Destruct Ultra Bat Repellent operates silently, is odorless, and is safe for use around children and pets. How it works – This ultra device emits sound waves that are inble to humans and create an environment that encourages bats and other unwanted pests to leave the area. It requires no chemicals, leaves no mess, and helps maintain a cleaner living space. One unit is effective for areas up to 800 square feet under optimal conditions. Enjoy a more comfortable home environment – Designed to deter bats, this repellent may also help discourage mice, rats, flies, insects, mosquitoes, fleas, and cockroaches. We are a team of individuals who use our products daily. We care about the well-being of our families and want to offer solutions that support a safer, pest-reduced home for others. Product Specifications - Voltage: 100–240V AC, 50/60Hz - Power: 2.5W - Output frequency: 20–65 kHz Installation guidelines: Use only indoors. Avoid installation in outdoor areas, near heat sources, water, or in high-moisture environments. Effective coverage: Up to 800 square feet in open areas without obstructions blocking the sound waves.