Mice Repellent Ultrasonic Plug In Indoor Mouse Repeller Device Rodent Control AUFeatures: 1. 360 all round transmission jammer, leaving mice nowhere to hide; 2. Four speakers, destroying the hearing and nervous system of mice, and powerfully driving away mice; 3. Multi dimensional frequency conversion directly hits the vital points of mice, intelligent chip technology, powerful attack; 4. Quiet and environmentally friendly, using high frequency ultrasonic waves, harmless to the human body, suitable for mothers and babies; 5.