Voltage: 100-240V AC, 50/60HZ Power: 2.5w Output frequency: 20-65KHz Electrical plug-in device: Do not expose to outdoors, high temperatures, water, other liquids, or moisture. Coverage range: 100 to 800 square feet, with no obstructions blocking the front of the device. This ultra repellent is inble to humans and odorless. Designed for indoor use, it helps deter bats and other pests. Safe for use around children and pets when used as directed. How it works: Emits ultra waves that discourage bats and other unwanted pests from staying indoors, encouraging them to leave the area. This method does not kill pests and avoids the need to handle dead animals. Effective for use in spaces up to 800 square feet. Helps maintain a pest-free environment. Suitable for use against bats, mice, rats, flies, insects, mosquitoes, fleas, and cockroaches. Package includes: 1 ultra repellent device