Kasa Smart Wi-Fi Light Switch by TP-Link - Control Lighting from Anywhere, Easy In-Wall Installation (Single-Pole Only), No Hub Required, Works With Alexa and Google Assistant (HS200) CONTROL FROM ANYWHERE - Turn electronics on or off from anywhere with your smartphone using the Kasa app (Compatible w/ Android & iOS) VOICE CONTROL - Works with Amazon Alexa, Google Assistant and Microsoft Cortana supported devices for a hands-free experience GUIDED INSTALL: No need to understand complex switch wiring or master vs. auxiliary switch configurations. The Kasa app guides you through easy step-by-step installation SCHEDULING - Use Schedules to set your Smart Switch to automatically turn on and off while you're home or away NOTE: Requires a neutral wire / works in a single-pole setup only / Requires a secured 2.4 GHz Wi-Fi network connection