Easily replace 3-way light switches with the HS210 Smart Switch Kit for whole-home lighting that you can control from anywhere. Smart 3-Way Switching: Smart Switch Kit makes it easy to replace 3-way switches common in living rooms, stairways, and halls Easy Setup: No need to understand complex 3-way switch wiring or master vs. auxiliary switch configurations. Free Kasa app guides you through easy step-by-step installation. Voice Control: Easily connects with Amazon Echo or Google Assistant voice assistants for convenient hands-free control No Hub required: Connects to standard home Wi-Fi networks Control from Anywhere: Use Away-Mode to switch lights on at different times to give the appearance someone is home while you are away Easy to Locate: Built-in indicator illuminates to locate the switch button at night