Features:1. Easy installation: Simply plug it in to household power socket vertically for using.2. Safe and Ecofriendly: The electronic repellent is designed for 100% safe for human and pets.3. Wide application: The pest repellent can be widely used in home warehouse shop hotel hospital office grain depot etc.4. Three kinds of smart frequency conversion. With this device Enjoy a peaceful sleeping without any concerns for noise.5. Please notice that this repeller is for indoor use only.Notice:1. Actual color may be slightly different from the image due to different monitor and light effect. Please allow minor deviation due to manual measurement.Specification:Type: Mosquito Mouse RepellentMaterial: ABSPower: 3WInstallation height: above 20CMRated frequency: 50-60 (HZ)Power supply: plug inColor: as picture showSize: 93*56*46mmincludes:1 x Mosquito Mouse Repellent"