-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.