Fariedl Ultrasonic mosquito repellent (1 pack white) Coil  (6 x 1 ml)

Green and environmentally friendly pest control technology: Use advanced ultrasonic technology to stimulate pest neurons to achieve an insect repellent effect without harmful substances. It is environmentally friendly and safe for humans, ensuring a safe living environment in your home. Full frequency coverage: Covers the frequency range of 20KHZ-55KHZ, effectively dealing with pests such as mice, spiders, cockroaches, mosquitoes and ants. After 3-4 weeks of use, these symptoms almost completely disappeared. Wide coverage area: Effective coverage area is up to 1200 square feet, suitable for a variety of indoor environments, including homes, offices, garages and basements. It is an ideal solution for a variety of scenarios Easy to use: Just plug into any standard outlet; no batteries or complicated setup required - just plug in and go! Continued use for results: Ultrasonic insect repellents may not have immediate results like traditional pesticides; this requires a process, usually 3-4 weeks.