RADARCAN SC-22 Ultrasonic Dust Mite Repellent Fighting dust mites in the home is the strong point of this repellent. Its ultrasound deregulates the life cycle of dust mites, preventing its waste, the cause of allergies, from accumulating in your home. For indoor use up to 40 m². - Dimensions: 7.5 x 3 x 12.5 cm. - Operating indicator: LED indicator - Voltage: 230V (AC adapter included) In good used working condition Comes as pictured with no other items. The item will be packaged well and posted quickly. Please contact us if you have any questions or issues and we will respond as soon as possible. We are happy to ship worldwide