Ultrasonic insect repellent, mouse repellent Indoor plug-in insect repellent How it works: Works through ultrasound that stimulates the brain and auditory nervous system, powerfully driving most types of pests Less power consumption: no need to clean up dead bugs, no odors and carcasses, no batteries, save a lot of money Easy to use: just plug the electronic pest control ultrasonic repeller into the power outlet; when the blue light is on, it will start to drive away the pests Wide Coverage: Place one in every room, as ultrasound cannot penetrate walls and solid objects Quiet and effective: Ultrasonic insect repellent uses low frequency ultrasonic waves, no noise in the room to affect you and your pets Product introduction: 1. Application of this product: 1. Flour processing factories, food processing factories, rice factories, pharmaceutical factories, feed factories, granaries, etc. that cannot use poison bait and pesticides; 2. Households plagued by rodent and insect pollution.