For Use With Alexa And Google Home, The Kasa Smart 3 Way Switch Hs210 Kit, Needs 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. Product Features 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. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!