Superior Rodent Repeller, Electronic Ultrasonic Squirrel Mouse Repellent Plug in, Rat Repeller, Repel Rodents, Mice, Rats, SquirrelsBrand: HOSOLO Color: Black Features: SAFE PEST CONTROL: This new device uses environmentally friendly frequency conversion ultrasonic waves to interfere with the central nervous system, taste, hearing and visual nervous systems of pests. Without killing critter and no poison, no more need to prepare various mouse poison, mouse traps, mouse mats, rat glue traps, roach motels, cockroach bait, rat poison, raccoon blocker and insect sprays. Get rid of