More Advanced: The upgraded chip helps produce stronger ultrasonic waves which can influence the brains of insects and rodents, repel them away from your home. The pest repeller can control mice, rodents, mosquitoes, ants, spiders, cockroaches, rats, etc. Soft and Quiet Lighting: This pest repeller is designed with blue light like work signal which is not too flashy at night, you are always relaxed and easy to sleep. Wide Control Application: With the latest chip, each mouse repellent can effectively control up to 120 m2. The pest control device can maximize the effect with one unit per room since the sound waves would not be transmitted through the walls. Safety and comfort: The pest control repeller is silent, odorless and radiation-free. It repels pests and rodents with a low frequency sound wave that does no harm to humans and pets. Besides, the longer the working time, the better the repeller. Easy to use: Just plug this device into an outlet vertically, the blue light will turn