6 Pack Ultrasonic Pest Repeller Plug-In 22-65KHz Mosquito Mice Roach Control
High-Frequency 22–65KHz Ultrasonic Waves. 6 × Ultrasonic Pest Repeller Units. Mice / Rats. Low energy consumption (3–5W). You may notice increased activity in the first week (pests escaping), and full results usually appear in3–4 weeks.