What in Box: 1 x mini PC,1 x Power Adapter,1 x Power Cable,1 x HD Cable,2 x Wi-Fi Antennas,Screws Power supply: Input:100-240V,0.8A; Output:12V,3A. Kindly be noted: 1.The Processor is Intel i5-3317U CPU: Dual Core, Quad Thread; Base Frequency: 1.7GHz, Max. Turbo Frequency: 2.6GHz, 3MB Smart Cache integrated Intel HD Graphics 4000: Graphics Base Frequency: 350 MHz; Graphics Max Dynamic Frequency: 1.05 GHz. 2.The Default Operating System is Windows 11 Pro(64-bit), licensed and activated but no key label. Please check its license condition when it arrives: press "Win+R" keys-input "slmgr.vbs -xpr" to run(note the space between vbs and -xpr) 3.This item has been tested well before shipping. If you have any qustions, please contact me on Amazon. I will do my best to help you. Front-Panel: 4 x USB 2.0 1 x Power switch button 1 x LED Power Indicator Back-Panel: 4 x USB3.0 ports 4 x Serial(RS232) ports 2 x RJ-45 ports 2 x Audio Connector 1 x HD port 1 x VGA port 1 x 12V DC input Application: -Used in working shop, factory, Internet Bar, bank, supermarket, library, reading room, hotel, training, call center, CCTV company. -Used as HTPC(Home Theater Personal Computer). Connect HDTV with the HD cable, enjoy education online and play internet movies or games. -Used as Personal Computer, high configuration and fast speed, zero noise.