You should prepare an alexa ,smart device and download their APP . And register a account , and add the smart devices . You can search our APP name "ENERJ SMART" on skills surface,then enable it ,then input the APP account and password which you registered ,then click :link now . Later speak to alexa "discover devices",he will find out some devices which you added on "ENERJ SMART "APP. At last , you can speak to alexa ,for example ,turn on the room light ,the light will be turn on .