【Effective】With intelligent double-chip design, the ultrasonic insect repeller stimulates the auditory nerve with ultrasound in the frequency range and the central nervous system of pests and rodents. Mouse ultrasonic emits high frequency ultrasonic waves which effectively repel rodents. 【Wide Area of Use】Each ultrasonic insect repellent has an effective range of up to 80-120 sqm. It is recommended to install this plunger 32-47 inches from the floor. When installing the device, there must be no obstacles in the immediate vicinity. Ultrasound can disturb and irritate the nervous system of insects, making them uncomfortable. Finally drives them away from home. 【Safe and Environmentally Friendly】With no poisons, chemicals, traps and no kills, the pest repeller is 100% safe and harmless. It is a physical method to expel pests, non-toxic, environmentally friendly and absolutely safe for children and pets, a pest control that combines advanced technology and humane. 【Easy Installation and
