4 PCS Electronic Ultrasonic Pest Repeller Home Control Repellent Mice Rat Reject
Best repel for mice, cockroaches, fleas, bugs, mosquitoes, flies, ants, insects and rodents. 4 x Ultrasonic Pest Killer Repeller. It usually takes 3 to 4 weeks to notice the results. Ultrasonic Frequency：22-55kHz.