Pest Reject/Repellent Ultrasonic Electronic Machine(1 Unit) with 4 NOs of Good Night Fast Card - Pack of 5

Pest Repellent Ultrasonic Machine Electronic Pest Control -PST302 Mild Humming Sound:The waves that this repeller sends are far beyond the hearing range of human-beings. The machine produces mild humming sound for pest repelling function. Just Plug In: Please install our item at 7-16 inches away from the floor . Just plug our electronic mice repellent into the socket and should be vertical to the floor.Usually ultrasonic repellers take 3-4 weeks to make effect. Safe & Economical: Discard your harmful chemical repellent. The electronic pest repeller is safe for pregnant woman and baby , Odorless, noiseless and no radiation. Pest control uses ultrasonic frequency sound waves to drive pest and rats away without killing them.