N9 skill is N9 App solution kits, had include one smart hardware device. To user your Amazon Echo with your N9, make sure you have the latest Alexa app on your phone, you have your N9 skill, and activate the N9 Skill. This will require your N9 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 N9 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 N9 device by EcHo,for example,you can say: 1.Alexa,tell white tower arm 2.Alexa,tell white tower disArm with PIN CODE XXXX 3.Alexa,tell white tower to arm 4.Alexa,tell white tower to disArm using PIN CODE XXXX