Lot Ultrasonic Pest Reject Home Control Electronic Repellent Rat Mice Repeller
Best repel for mice, cockroaches, fleas, bugs, mosquitoes, flies, ants, insects and rodents. 1-100 x Ultrasonic Pest Killer Repeller. It usually takes 3 to 4 weeks to notice the results. Ultrasonic Frequency：22-55kHz.