Feature●Effective Range: Approx. 228.2 sq ft (120 m2) Our ultrasonic mice mixer can cover approximately 120 m2. Emits pulse sound waves in all directions for 360° dimensional surround sound. Very suitable for kitchen, room, warehouse, restaurant, attic, garage, etc. In offices, living rooms, and other enclosed environments, it is better to repel insects. Note: This product does not kill insects, it is a pest repellent●Extermination Principle: Adopts a new microcomputer control principle that emits ultrasonic waves and variable frequencies to destroy the hearing and nervous system of pests, repelling pests such as rats, cockroaches, spiders, and mosquitoes. For a more effective removal, we recommend using it for at least 4 weeks and 24 hours a day●Safe and non-toxic: This insect repellent does not use any chemicals, smoke, or spray. Non-toxic, radiolescent, can be used in pregnant women, children and seniors The frequency of ultrasonic waves and electromagnetic waves emitted are below the audible range of people and pets, and it only affects pests and rats, so you can use it with confidence●【Environmental Protection and Energy Saving】Just plug it into a wall outlet for a long time, no batteries or charging required. 4W low power consumption design, the power consumption is about 0.1 kw.h per day even with 24 hours, so you dont have to worry about your electricity bill. Note: Do not lay flat on the ground (put it vertically)●【Reliable Service】If you have any problems with the product you receive, please feel free to contact us. We will reply your messages within 24 hours and provide you with satisfactory customer serviceDescription Safe and non-toxic: This insect repellent does not use any chemicals, smoke, or spray. Non-toxic, radiolescent, can be used in pregnant women, children and seniors The frequency of ultrasonic waves and electromagnetic waves emitted are below the audible range of people and pets, and it only affects pests and rats, so you can use it with confidence.