You can easily turn on and turn off the light by voice by pairing this switch with device.The tempered glass touch screen of this DIY smart switch is sensitive to touch control, convenient to use.This switch is easy to use, just need to download the App, and then connect your mobile device to the 2.4GHz Wi-Fi network to find the light switch, and then you can easily control the light or any other electrical device.Item Name: WiFi Smart SwitchMaterial: ABS, Tempered GlassSuitable Socket Type: Universal for EU Plug and UK PlugPower Supply: AC 90V-250VMaximum Current: 10A / 250VMaximum Power: 2200W/GangWireless: 802.11 b / g / n 2.4GSecurity: WPA-PSK / WPA2-PSKCertification: CE, RoHS, FCCApp Download: eWeLinkFeatures: Easy to Install, Durable, Touch, Glass PanelSize: 86mm x 86mm x 33.5mm/3.39" x 3.39" x 1.32" (Approx.)Notes:Please cut off the power when installing and uninstalling, and operate by professionals.Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x WiFi Smart Switch