Product: Powerful Performance: This latest ultrasonic rodent repellent 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 Easy to use: All you have to do is plug our pest control products into the outlet. It is recommended to insert flying insect pests 30-50 inches above the ground and pests 10-30 inches above the ground, then say goodbye to harmful pests within a month Size: 60*60*21.5mm Plug: UK Plug/EU Plug Power: 5w Rated voltage: 250 V Rated frequency: 55-85Hz Package included: 1PC/2PCS/4PCS * Mosquito Repellent(as your choice)