Features: Works with ultrasonic waves to repel pests and annoying animals. Covers a large area up to 120 square meters. Its small and stylish design fits any room. Safe for use with children and pets. Easy to install, just plug it into the power outlet. Consumes little electricity, so it's not expensive. Effective against mice, cockroaches, ants, and mosquitoes. Does not emit any unpleasant odors or sounds. Suitable for home, office, or even warehouse. Free of chemicals, so it's environmentally friendly. Quick Details: Brand: Generic Warranty: 7 days Warranty Agent: Dozen Effective Area: 80-120 square meters indoors. Effectiveness: Repels mice, black beetles, mosquitoes, ants, and others. Safety: Does not harm humans or pets. Home Appliances: Not affected. Output Sound Frequency: 22-65 kHz. Input: 110-220V, 50-60Hz. Power: 5W. Operating Temperature: 0-40°C. Color: White. LED Light: Blue. Dimensions: 90 x 56 x 28 mm. Package Contents: 1 x Pest and Animal Repeller. How to Use: Plug the device into a power outlet. Place it at a height of 30-50 cm from the ground. Make sure nothing is blocking its path. The blue LED light indicates it's working. Keep it running 24 hours non-stop.