Viatek Pest Free - Single Get a one of the hi-tech electronic repellers with advanced ultrasonic technology. Viatek uses one of the industries widest range of ultrasonic frequency. Viatek"s team has been manufacturing electronic rodent and rat repellers since 1993. We will contantly strive to be the leaders in the world in advancements. Once the unit is plugged in, the Ultrasonic Feature, is designed to eliminate household pests that are in your living area. Our frequency range is the broadest in the industry with extremely high sound output compared to competitive models.Features Ultrasonic Technology Plugs direct into wall outlet, no cords Won"t harm pets LED"s provide up to 100,000 hours of use No bulbs to replace, ever! Uses just 7.5 watts of electricity, cost pennies a month to operate Night light