Electronic Ultrasonic/Electromagnetic Wave Mouse Repeller With Nightlight White 12.5cm

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.