Apple Homekit, Amazon Alexa, Google Assistant, Ifttt, And Samsung Smartthings Product Details Compatible with all garage door openers (You can control up to 3 doors). For a ROLLER door you would need the GATE kit. For Chamberlain, Craftsman, LiftMaster openers with a YELLOW learn button you would need our ismartgate switch adaptor (sold separately). More info below. VOICE CONTROL AND FREE HOME INTEGRATION: ismartgate works with major smart home platforms for free: Apple Homekit, Google Home, Amazon Echo, Samsung SmartThings and iFTTT! Ask Siri, Google Assistant or Alexa to open or close the gate for you. Ask them for the status of the gate at any time and create scenes or home automations with other devices and services through our new ?GarageWiFi Gates? iFTTT channel. THE MOST COMPLETE SMART OPENER: ismartgate allows you to create different user accounts (restrictions by time, garage and location). It also allows you to integrate up to three (3) existing IP camera for real time video monitoring and recording from ismartgate app. ismartgate allows remote operation (open/close) of garage and remote alerts (open/close/left open) too! AUTOMATIC OPEN/CLOSE WITH GPS OR TIME: ismartgate will automatically open or close your gate when approaching or leaving your home (or at a given time). Simply link ismartgate to iFTTT to enjoy this feature! CUSTOMIZABLE APP: ismartgate allows you to upload a picture of your garage when open and closed. You can also choose if you want the ?open/close? button to be ?up and down? or ?left to right?. This PRO version also includes a visual acoustic alarm and can play a dedicated song/tone for every garage door when open or closed. 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.