You can use the APP to control many smart devices in your house by voice, as lights, smart plug, wi-fi cam. HeySmart can control your smart devices and create many scenarios with them. After connecting Alexa to your HeySmart products in a few simple steps: (1). Download our "HeySmart" app in android or ios app market; (2). Register one HeySmart account in our "HeySmart" app; (3). You need to have some HeySmart devices in hand; (4). Configure these devices in our HeySmart" app and change appropriate name for your devices which will be used in "HeySmart" skills; (5). Download Amazon "Alexa" app from android, ios or Amazon app market; (6). Configure Echo with "Alexa" app; (7). Search "HeySmart" skill from the "Alexa" app skills category; (8). Click Enable skill of "HeySmart", and you'll be navigated to HeySmart login page; (9). Input your Tuya account username and password, you'll be redirect to the success page; (10). Now all setup is finished. You can enjoy the voice control on your home devices like these: * Alexa, turn on kitchen light * Alexa, turn off kitchen light * Alexa, set the livingroom light to 20 percent * Alexa, set bedroom light to Blue color