Mini computer PC stations,Thin client, PC Share, Smart PC with Mic N230M Video Resolution: 640x480, 800x600, 1024x768 (at 60 or 75 Hz refresh rate), 1280x1024 (~63 Hz). All feature up to 24-bit color support. Supported OS: Microsoft: Windows XP Professional and home Edition.Media Center Edition 2005 Windows Server 2003, Small Business Server 2003, Windows Sever 2000, Windows 98 and DOS Linux: several variants (refer to support section of Website for latest supported revisions of Linux) Package including :Adapter, packaging,Screws,bracket, CD and so on Size length:115mm width:115mm height: 26mm Weight Net Weight: 154g; Shipping weight (includes Adapter,software CD, packaging, Bracket, screws etc.): 0.56 kg Power Supply Input: 100-250 VAC, 50-60 Hz; Output: 5 VDC, 2 A; Nominal Resumptions :5W (Without external USB equipment) LED indicator Power: connection to power supply, LAN: network activity, Ready: device status Max Users :21 users when using a server host OS (i.e. Windows Server 2003),10 users when using a desktop OS (i.e. Windows XP) Transfer Distance: No Limited Connection to Host PC: Via 10/100 Mbps switched Ethernet connection Audio :Stereo output via speaker port, Stereo input via Mic port Internal Hardware: All solid-state design. No moving parts, no fans, no local user storage. Network PC Station System-on-Chip with embedded Network PC Station operating firmware (no local user OS). Reliability (MTBF): more than 100,000 hours (calculated using Bellcore Issue 6 TR-332, Case 2, Part I at 40°C) User Software: PC Station terminal services software USB Memory Port: With one usb port