Ultrasonic Pest Repeller

Smart ultrasonic,mute-enjoy comfort, people can't hear ultrasound. - Easy to use, plug and play, easy to use, mini size, easy to carry. - No-harmless, environment-friendly, drive away all kinds of mice and pests. - Large cover range,360 degrees driving pests away efficiently. - This machine should be installed 20-80 centimeters away from the floor. and should be vertical to the floor and plugged into the power socket.