Electronic Ultrasonic/Electromagnetic Wave Mouse Repeller Rat Repellent Pests Repelling with Nightlight Adjustable Wave Frequency

Features:Advanced: generate electromagnetic wave and ultrasonic wave at the same time.Frequency: change constantly and intermittently, but not periodically.Adjustable wave band: 1 band(25-70KHz) and 2 band(10-70KHz) for different situations.Comfortable: with nightlight function, soft blue light can also boost the repelling effects.Safe: use physical method, non-toxic, no harm to human beings or pets.Powerful: the effective protection range is about 200 square meters under open environment.Suitable for using in household, office, supermarket, hotel or storehouse, repelling pests effectively.