1, The machine in the 50~80 square meters room can be effective.
2, This machine can effectively repel cockroaches, rats, mosquitoes, fleas, flies, crickets, ants, ants and other pests, so it can be called the electronic rat repelling device, electronic repellent device etc..
3, The ultrasonic sound of the machine is far away from the human ear hearing range, for the human body and family pets will not cause any harm, and does not interfere with household appliances.
4, The machine is safe and environment-friendly, odorless, energy consumption (<1W total power), and equipped withadvancedoptoelectronictechnology, day and night light automatically extinguished, and can automatically turn off the lights at night light.