1. This Multi-functional Electronic Pest Repeller uses the principle of ultrasonic wave and electromagnetic to interfere with pests. 2. Ultrasonics have fixed frequency and variable frequency waves, customers can according to different environments switch different mode. 3. The electromagnetic will auto-work and emit magnetic waves to enhance products driven effect, then the green light turns to red. 4. With a nightlight provides soft light to avoid total darkness in areas near the unit. 5. Best electromagnetic pest repeller Can be widely used in families, restaurants, supermarkets, warehouses, office buildings, etc which is unfavorable use medicine kill a mous 6. Non-toxic, Non-taste, out of the hearing range of humans and most household pets. 7. Effective range is about 200 square meters. 8. Object: mouse, rat, mosquito, dust mite, bat, lizard, spider, cockroach, fly, etc. PRODUCT FEATURES Different plugs availabl Ultrasonic goes through the air to cover 1 roo Electromagnetic goes through the electric wire to cover 3 to 5 room No chemical, friendly to humans, children, and pet Bring people a comfortable living environmen APPLICATION: Living room, Bedroom, Kitchen, Hotel, Restaurant, Warehouse... OEM, ODM SUPPORT