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. It uses ultra technology to deter bats and other unwanted pests by emitting high-frequency sound waves that are inble to humans. How it works: This device emits ultra waves that create an environment uncomfortable for bats, mice, rats, flies, insects, mosquitoes, fleas, and cockroaches, encouraging them to leave the area. It provides a humane solution without causing harm or leaving behind deceased pests to clean up. One unit effectively covers areas from 100 to 800 square feet when placed in open spaces without obstructions. Enjoy a more comfortable living environment: Designed for indoor use, this repellent helps maintain a cleaner home by deterring a variety of common pests. It requires no chemicals and produces no smell, making it suitable for continuous use in homes, offices, and other indoor spaces. Product Specifications: - Voltage: 100–240V AC, 50/60Hz - Power: 2.5W - Output frequency: 20–65 kHz Installation: Plug directly into a wall outlet. Not intended for outdoor use, or in areas exposed to moisture, water, or high humidity. For optimal performance, ensure there are no large objects blocking the front of the unit that could interfere with sound wave distribution.