Easy Installation: USB port, work with most computer. Install to use, don't need any driver software. It only for desktop computer.Tuya App Remote Control: Control your computer on Tuya App anytime any where. Wifi+Bluetooth Connection: When wifi is disconnected, you can still control your PC on Tuya App through bluetooth connection, don't need any setup.Voice Control: Work with Alexa , Home Assistant, Yandex . Timer and Schedule: Set a timer to power on/off, or make a weekly schedule to power on/off the computer, automate your PC.Reset And Force Reset: Not only "Power on/off" function, it also support "Reset and Force Rest" function, avoid harm to your computer system. Relay Status (only PRO Card): You can set the computer to power on or keep power off status, when power up again after power failure. 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 ", change the option "When Press on Power button" to "Shut Down". (2) On computer, go to BIOS settings / Anvanced / Configuration, change the option " 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 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: 3 x boot card with cable3 x USB cable 3 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.