While other bat repellents may not be pet-friendly, have unpleasant odors, or limited effectiveness, Pest Destruct Ultrasonic Bat Repellent operates silently, is odorless, and designed to deter bats without harm. It is safe for use around children and pets when used as directed. How it works This ultrasonic device emits sound waves that are intended to create an environment uncomfortable for bats and other pests, encouraging them to leave the area. It requires no chemicals, leaves no residue, and produces no odors. One unit is suitable for indoor use in areas up to 800 square feet, provided there are no major obstructions blocking the sound waves.Ideal for use against bats, mice, rats, flies, insects, mosquitoes, fleas, and cockroaches. Designed for indoor residential use only. Not for use in outdoor, wet, humid, or high-temperature environments.Product Specifications: - Voltage: 100240V AC, 50/60Hz - Power: 2.5W - Output frequency: 2065 kHz - Plug-in type: Indoor use only For best results, place the unit in open areas where ultrasonic waves can travel freely. Avoid placing behind furniture or in enclosed spaces.