TP-Link Wireless Smart Light Switch "Tapo S220", White, 2-Gang//Remote Control – Instantly turn the light on/off wherever you are through the Tapo app.Voice Control– Manage your switch with voice commands via Amazon Alexa or the Google Assistant.Schedule – Preset a schedule to automatically manage devices.Away Mode – Automatically turn the light on and off at different times to give the appearance that someone is home.Tool-Free Battery Replacement - Easily replace batteries after installation, no need of other tools.No Neutral Wire Required - Super easy wiring. No neutral wire required.Hub Required - The Tapo Hub is required to support all smart features.