Moesgo Wifi Smart Wall Light Switch, Glass Panel, Multi-Control (3 Way), 2 Point Product Details ?Attention?Neutral wire required/ Only support 2.4GHz WiFi/ Install without power?setting relay status and remembers last relay status optional when powered off , backlight switch On/Off. ?A New Idea For 3 Way Control?: Not only as single pole, but also can multi-control. Multiple switches control 1 light. ?Control from Anywhere?No matter when or where you can control your light on and off with your phone. ?Smart Life? APP let you no more worrying about forgetting to turn off the lights. ?Hands-Free Voice Control? Compatible with Alexa and Google Home for hands-free voice control. Enjoy smart and convenient life. ?Scheduling?Use timer or countdown schedules to set your smart switch to automatically turn on and off while you're home or away. Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.