Mini Basic Pest Chaser

Victor, Mini, Basic, Pest Chaser, Varying Volume & High Frequency Ultrasound Repels Rodents, Small, Discreet Design Is Deal For Average Size Rooms, Blue Led Light Shows The Unit Is Active, Cannot Be Heard By Humans Or Non-Rodent Pets, Contains A Piezo System That Has A Ceramic Membrane, Which Creates A Louder Sound & Allows A More Controlled Frequency.