Ultrasonic Mosquito Repeller, Rodent Insect Repeller Electronic Mosquito Repeller Anti Rats, Cockroaches, Flies, Ants, Spiders [4 Pack]

?Ultrasonic insect repellent? To better disturb and irritate the nervous system of insects, which can effectively keep flies, fleas, mice, rats, cockroaches, mosquitoes, ants, spiders and other house pests away. ?S?r and environmentally friendly? No chemicals, no poison, no foreign smell, no noise, environmental protection and 100% safe for pregnant women, children and pets, replaces harmful and dangerous chemicals. ?Wide range of applications? Small, light, easy to use and carry. Widely used in home, warehouse, basement, garage, store, hotel, hospital, office, factory, greenhouses, etc. ?Wide coverage area?The ultrasonic repeller works on an area of 80 to 120 square meters. If you have ultrasonic insect repellent in every room, you can achieve the best results. ?Easy to use? Plug the ultrasonic repeller into the power outlet, it will work! (20-80 cm above the ground) Technical specifications: Shell material: ABS plastic. Sound wave frequency: 22-65 kHz. Operating voltage: 90-220 V