1. Improved modern technology: This three-speaker mouse repeller integrates high-intensity ultrasonic and pressure wave technology to effectively stimulate the neuro-auditory system of pests, keeping your house clean. 2. Wide coverage: A simple plug-in electronic rodent repellent system allows you to effectively cover various pests such as bed bugs, mice, moths, ants, mosquitoes, spiders, cockroaches, squirrels, flies, rodents in indoor areas wait. 3. Human and Pet Safety:The insect repellent protects in 360 degrees simultaneously by using a specially designed dedicated sound above human and pet hearing, without rat poisoning, rat traps or rat traps, which are unsafe and may harm pets or children. 4. Four-function switch:This indoor insect repellent has two function switches, which can be operated manually, covering different uses, including test, ultra, trans and double switches, making it ideal for homes, cafes, warehouses, supermarkets, Ideal for restaurants, offices, garages and granaries.