General description Are you dealing with rodents in your home? If you prefer not to use poison, chemicals, or dangerous traps, consider our Ultrasonic Repellent. This eco-friendly device effectively repels rats, spiders, mice, ants, cockroaches, bed bugs, and other rodents without any risk to your pets or family. Technical specifications Ultrasonic frequency: 22~65 kHz Voltage input: AC 90V~250V / 50Hz~60Hz Power: 5-6W Effective coverage area: About 60-120 square meters Installation Install the device 80~120 cm from the ground, ensuring it is vertical and connected to the outlet for optimal effectiveness. It is recommended to use one unit per room for the best results, as walls and furniture can weaken the ultrasonic waves. Usage Results may take 1 to 3 weeks to become noticeable. It is normal for pest activity to increase in the initial days of use before the device starts to repel them. Other information Package includes: 4 Ultrasonic Pest Repellers and 1 User Manual.