Material: ABS White color Power: 5w Rated voltage: 250 V Rated frequency: 55-85Hz Powerful performance: This latest ultrasonic rodent repeller has two chips, which will emit stronger and more concentrated ultrasonic waves, which will make it harder for pests and rodents to approach than before. Bed bugs, spiders, ants, cockroaches and mice stay away from you Homes! Safety and environmental protection: The insect repellent contains no chemicals, no radiation, no odor, no dead insects, no batteries and provides you with a safety guarantee. Its ultrasound only affects parasites, and the ears cannot detect sounds, so it will not interfere or irritate humans and animals! Small and light, wide range of applications: The new small square design is very cute, cartoon style, ultra-light and stress-free, widely used in homes, warehouses, offices, hotels, etc! Effective coverage rate: ultrasonic insect repellent is effective indoors less than 1,600 square feet. We recommend installing one unit