Meross 3 Way Smart Light Switch (Neutral Wire Required), 2.4G Wifi Light, 1 Pack Product Features Just Replace One Traditional 3 Way Switch: No need to replace two traditional 3 Way switches, just replace one traditional 3 Way switch and save 50% of the money. Note: this smart switch is only for non-dimmable lights. 2.4GHz Wi-Fi network support only. The Neutral Wire is Required: Easy to Install, standard wall plate size. The Meross app guides you through easy step-by-step installation. In addition, the Meross smart light switch is equipped with a ground wire (in green color) to improve safety. Single Pole or 3 Way: Replace your traditional 3 Way switch with a Meross 3 Way smart switch or use two 3 Way light switches to control the light from 2 locations, such as the top and bottom of a staircase or from house to garage, etc. Meross light switch fits your existing 1/2/3/4 gang standard size Decora/GFCI faceplate. Voice Control and APP Remote Control: The smart Wi-Fi switch works with Amazon Alexa, Echo, Echo Dot, Google Assistant, and Google Home, and turn on/off light with hands-free voice command. Using the Meross app to control your light from anywhere with the internet through your smartphone (iOS and Android). Automatic Schedule and Timer Settings: Create a schedule, timer, or countdown to turn on/off your light automatically based on your routines. 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!