Kasa Smart 3 Way Switch Hs210 Kit, Needs Neutral Wire, 2 Point 4Ghz Wi-Fi Light The HS210 Smart Switch Kit makes it easy to replace traditional 3 way switches commonly found in living rooms, halls, or stairways where 2 switches control the same light. The HS210 kit includes 2 smart switches specially designed to work together with 3 way switch wiring. There?s no need to be an expert on complex 3 way switch, wiring or confusing master vs auxiliary smart switch settings. The Kasa app guides you through each step of the installation, connecting to your home Wi-Fi, and providing control from anywhere. For convenient hands free controls it easily connects with Amazon Echo or Google Assistant voice assistants. Protocols supported: IEEE 802.11b/g/n; System requirement: Android 5.0 or higher, iOS 10 or higher; Wireless type: 2.4GHz 1T1R. Easy guided install: Neutral wire is required, standard wall plate size. No need to understand complex switch wiring or master vs auxiliary switch configurations; The Kasa app guides you through easy step by step installation. For non-dimmable lights, 2.4 GHz Wi-Fi connection required 3-way or single pole: Using it as 3-way or single pole switch to control the light from 1 or 2 locations to replace your traditional 3-way switch. Best for top and bottom of a staircase or from house to garage etc Control from anywhere voice control: Monitor your lights status. Turn electronics on and off from anywhere with your smartphone using the Kasa app, whether you are at home, in the office or on vacation. Enjoy the hands-free convenience of controlling the lights in your home with your voice via Amazon Alexa or Google Assistant Scheduling: Use timer or countdown schedules to set your smart switch to automatically turn on and off while you're home or away. Enable ?away mode? to randomly switch on and off to trick potential intruders Trusted and reliable: Designed and developed in silicon valley, Kasa is trusted by over 4 million users. UL certified for safety use.