Alexa, Google Assistant, And Double Smart Wifi Light Switches Are All Examples Product Details Installation Notes - The smart switch can replace single pole light switch. Not compatible with 3-way (multi-switch) lights. Neutral wire required. Not a dimmer. Support 2.4GHz Wi-Fi Only (Not support 5G). Package include: two separate switches with one 2-gang wall plate. The 2 gang wall plate is put in bottom of the packing box. Wireless Remote Control- Turn electronics on or off from anywhere with your smartphone using the smart life app Voice Control - Works with Amazon Alexa, Google Assistant and IFTTT supported devices for a hands-free experience Set Schedules and Timers - Use Schedules to set your Smart Switch to automatically turn on and off while you're home or away Smart Sharing - You can create a group in Smart Life App, and share your smart switch to your family members 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.