Model: Netis ST3105S 5 Port Fast Ethernet Switch This netis ST3105S Fast Ethernet Switch provides an easy way to expand your wired network with 5 10/100Mbps Auto-Negotiation RJ45 ports. All ports support Auto MDI/MDIX function, eliminating the need for crossover cables or uplink ports. Together with the plug-and-play & Green Power feature, it may ensure you a low-cost, easy-to-use, high-performance, seamless and standard upgrade to improve your old network to a 100Mbps network. Features 5 10/100Mbps Auto-Negotiation RJ45 ports, supports auto MDI/MDIXGreen Ethernet technology saves the power up to 70%IEEE 802.3x flow control provides reliable data transferPlastic case, desktop or wall-mounting design better for home and office usePlug and play, no configuration required Specifications Hardware Interface: 5 * 10/100M RJ45 port, Auto-Negotiation, Auto MDI/MDIXLED: PWR, 1-5Power Supply: DC 5V/800mA(Output)Dimensions (LxWxH): 99 x 57 x 21 mm Switching Features Standard: IEEE 802.3 10Base-T, IEEE 802.3u 100Base-TX, IEEE 802.3x Flow ControlAccess Method: CSMA/CDTransmission Method: Store and ForwardData Transmission Rate: 10/100Mbps(Half-duplex); 20/200Mbps(Full-duplex)MAC Address Table: 2K Others Certification: FCC, CE, BSMIEnvironment: Operating Temperature: 0°C~40°CStorage Temperature: -20°C~70°COperating Humidity: 5%~90% non-condensingStorage Humidity: 5%~90% non-condensingPackage: 1 * ST3105S1 * Quick Installation Guide1 * Power Adapter