W18 skill is W18 App solution kits, had include one smart hardware device. To user your Amazon Echo with your W18, make sure you have the latest Alexa app on your phone, you have your W18 skill, and activate the W18 Skill. This will require your W18 app account email and password to authorize Alexa to access your devices. To get started ,select the "Enable Skill" button in the Alexa App to link your W18 app account, Then the next step needs to be entered a special PIN Code. When using the skill, All disarm commands require a PIN Code. For each command, you can supply the PIN code with the command or wait for Alexa to ask you for your PIN Code. You can control the W18 device by EcHo,for example,you can say: 1.Alexa,tell smart fish arm 2.Alexa,tell smart fish disArm with PIN CODE XXX 3.Alexa,tell smart fish home arm 4.Alexa,tell smart fish to arm 5.Alexa,tell smart fish to disArm using PIN CODE XXX 6.Alexa,tell smart fish to home arm