Generic 2-Piece Ultrasonic Multipurpose Electronic Pest Repellent, White/Black

Highlights: It can automatic irrigation when your tap tight thread adapter and open water. Non-messy, no smell, no shifting of household items required. Non-toxic and harmless to humans and pets, an alternative to toxic chemicals and dangerous traps. Works by continuously transmitting a powerful range of ultrasonic sound waves that drives away pests.