Seneo Ultrasonic Pest Repeller Pest Control Ultrasonic Repellent Plug in Home Indoor and Outdoor Repeller - Get Rid of Anti Mice, Insects, Bugs, Ants, Mosquitoes, Rats, Spiders, Roaches, Rodents ENVIRONMENT FRIENDLY : No messy chemicals or pesticides, no traps and completely silent for humans and home pets.e & Save Money: Simply plug the pest repellent into socket and protect your home from most pests, rodents and insects. You don't need to pay monthly payments for pest control companies to spray chemicals MULTI-FREQUENCY ULTRASONIC TECHNOLOGY: Senso ultrasonic pest repellent adopts latest ultrasonic technology that emits highly-effective ultrasonic waves between 25KHz--46KHz, repels mice and rats to leave the house EASY TO USE & SAVE MONEY: Simply plug the pest repellent into socket and protect your home from most pests, rodents and insects. You don't need to pay monthly payments for pest control companies to spray chemicals SHIELDS YOUR HOME TROUBLING PESTS: The pest control device is mainly used for repelling mice and rats, and it also have a certain effect on roaches, moths, roaches, spiders, fly, ants. Perfect for kitchens, bedrooms, warehouse, garage and storage room COVERAGE AREA: The effective coverage area is approximately 540 sq.ft. The effect of this rodents repellent can be clearly seen in about three weeks.