BEFORE PLACING YOUR ORDER CONTACT US SO WE CAN CONFIRM AVAILABILITY AND OFFER YOU A DISCOUNT CODE. YOU MAY DO THIS VIA CHAT OR EMAIL [email protected] SEND US THE PRODUCT NAME AND WE WILL PROVIDE THE DISCOUNT CODE. WE PREFER CHAT TO GET RESPONSE.Adopting a variable ultrasonic frequency wave, this ultrasonic pest repeller emits a bionic sound wave and effectively ward off most pests and mice within 3-4 weeks. Cover up to 1200Sq.ft area and come with 6 packs, realizing full home coverage. The 22-65KHz ultrasonic sound can only be heard by pests and mice, safe for kids, women and pets. Easy to use, widely used in the home, such as the kitchen, living room, bedroom, office, cellar, garage etc..