Ultrasonic Rodent Repellent 6 Pack, Electronic Insect Repellent Indoor, for Mosquitoes/Cockroaches/Mice/Spiders/Flies

General description This Ultrasonic Rodent Repellent 6 Pack is designed to protect your home from various pests including mosquitoes, cockroaches, mice, spiders, and flies. It emits ultrasound at a frequency of 22 - 45 kHz through a dual ultrasonic and electromagnetic chip, interfering with the brain and auditory nervous system of pests. This environmentally friendly alternative to traditional poisons and traps operates silently, making it safe for children and pets. Technical specifications Ultrasound frequency: 22 - 45 kHz Effective coverage area: up to 1200 square feet Installation Plug the repellent into a power outlet to activate. Recommended installation height: 30 - 50 inches from the ground for flying pests; 10 - 30 inches from the ground for crawling pests. Place in each room as ultrasound cannot penetrate walls and solid objects. Usage Effective 24 hours a day, 7 days a week. Most users report visible results within 3 - 4 weeks. For optimal performance, avoid placing the device near walls and furniture that may obstruct its sound waves.