System parametersProcessor: Intelcore i5 7th generation (Intel Skylake-U series processor)Internal memory: 8 G DDR4Storage: 128G SSDDisplay screen: 21.5 inches TFT LCD, resolution 1920x1080Network: Dual Gigabit wired network ports, Ethernet 10/100/1000MB Base-T LAN;Wi-Fi802.11ac, 2.4GHz/5GHz dual bandBluetooth: Bluetooth 4.0 LE4G module (optional): optional built-in 4G module, external with SIM card slotTouch screen (optional): optional capacitive touch screenSupport operating system: Windows 10 & Windows 7Audio and video system: built-in high-definition camera and dual microphones, built-in speakers (optional)External interface:USB interface: USB 3.0×2; USB2.0 x4COM interface: 1HDMI output: 1Network port (RJ45): 2Power socket: 1Audio interface: 1 3.5MM headphone jack, 1 3.5MM MIC interfaceOrganization and operating environmentSystem environment: no fan and zero noise for heat dissipation, and the shell is made of antibacterial plastic materialBattery (optional): Fully charged within 3 hours after 5A high current charging, and can continue to work normally for 6-8 hours, and the standby time is more than 8 hours when the screen is off;Adapter: input 100-240V AC; output 12V DC, 5A/ 19VDC, 7.9AMaterial quality: ABS + antibacterial plasticWeight: Net weight 5.4Kg without battery, 6.3KG with battery Gross weight excluding battery weight 8.35Kg, including battery weight 9.25KGDimensions: Host: 518mm(L)* 359mm(H) *55mm(D) Carton: 640mm(L)*525mm(H) *260mm(D)Standard installation: 100mm × 100mm VESA standardEnvironmental temperature: working temperature: 0℃-40℃; storage temperature: -20℃-60℃;Working humidity: 0%-90% (no condensation)Warranty: The main parts are guaranteed for three yearsCertification: CCC/CECP/CE/FCC/ROHS/MSDS/UN38.3