PCI-E is currently the most widely used interface in personal computers. Almost all motherboards have this type of slot, so as long as your computer has redundant PCI-EX1/X4/X8/X16 interfaces, it can be installed. Siri Shortcut Operation: Set up scenes in advance in the app or Tmall Genie app and add them to Siri shortcuts. After setup, wake Siri and say your command. The 433MHZ frequency antenna is used for remote control reception, improving the effective distance of remote control reception and enhancing the remote control effect. The 2.4G frequency antenna is primarily used for WIFI signal reception, effectively improving signal quality through walls and increasing the effective transmission distance. Tuya Smart APP allows remote control of your computer's startup and shutdown from anywhere, as long as your mobile phone has a normal internet connection. Power Supply Mode: PCIE Power Supply Scope of Application: Desktop Computer Rated Power: 0.2W Remote Control Distance: 20-50 meters Network Connection: 2.4G Wi-Fi Remote Control Learning: Up to 20 remote controls can be learned Remote Control Frequency: 433.92MHZ Bluetooth Control: Local Bluetooth automatic connection upon disconnection from Wi-Fi. Color: Black Material: PCB Package Contents: 1 x USB Antenna Card 1 x USB Cable 1 x Cable (Only the above package content is included; other products are not.) Note: Light reflections and different displays may cause the color of the item in the picture to differ slightly from the real item. The allowable measurement error is +/- 1-3 cm.