(1). Download our "Extsud smart" app in Google Play or iOS App Store; (2). Launch the app and register a new account (or login if you’re already registered); (3). Turn on Extsud smart devices and connect them with “Extsud smart” app; (4). IMPORTANT: You can rename the devices with Tuya Smart App. So if you rename a smart bulb “Livingroom Light”, then Echo will get that same name after discovered the devices in Step 9; (5). Download Amazon "Alexa" app from Amazon Market, Google Play or iOS App Store, and connect Echo with "Alexa" app; (6). Search the Alexa Skills directory for "Extsud smart"; (7). Click Enable skill of "Extsud smart", then input your account username, password and region on the linking page; (8). Talk to Echo "“Alexa,discover devices.”. Wait till Echo says "Discover is completed"; (9). Now all setup is done. Try talk to Echo to control your devices. Alexa, turn on my living room light Alexa, turn off my living room light Alexa, dim my living room light Alexa, brighten my livingroom light Alexa, set the livingroom light to 20 percent Alexa, turn on my plug Alexa, turn off my plug