ATTENTION: If the computer turn on automatically after it's turned off. Here are the solutions: (1) On computer, go to WINDOWS settings and "Power Options", change the option "When Press on Power button" to "Shut Down". (2) On computer, go to BIOS settings / Anvanced / APM Configuration, change the option "ErP Ready" to "Disabled" status. (3) If your computer use "Wake on Lan", please close it. 1. After installing this card, the power button on PC case and App can be used at the same time. 2. when you out for vacation or bussiness, the app will work on 2/3/4G mobile network. You can control PC by app anywhere. 3. When wifi is offline, just need to open the phone bluetooth, then you will be able to control the PC on App. 4. It can be connected with wifi router directly. Don't need any gateway or hub. Note: connecting cable Random color, don't accept the specified color. Material: PCB+metal colour: black+white Package Contents: 4 x boot card with cable 4 x USB cable 4 x connecting cable (the color of the connecting wire is random) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.