JLLOM 10 Packs Ultrasonic Pest Repeller Electronic Mouse Repellent Ultrasonic Plug in Rodent Repellent Indoor Sonic Repellent Pest Control for Insect,AntBugs,Mosquito,Rat,Spide,CockroachBrand: JLLOM Color: White Features: Latest Ultrasonic Technology: The electronic pest repellent plug in adopts modern micro electronic technology can create changeable ultrasound intermittently and alternately. Influences on the auditory and nervous system of pests such as mice, rats, spiders, ants, bugs, cockroaches, mosquitoes, fruit flies, flea, crickets, insects and rodents through unique ultrasonic waves. They will escape spontaneously from the