[Description] Dualcomm 5-port 10/100M Ethernet Switch (DCSW-1005U) is engineered with a efficient power circuitry capable of receiving power from a USB port and to operate reliably with up to five Ethernet connections at full speeds. It makes a heavy and bulky AC/DC power adapter uncessary! The small size and light weight makes this 5-port Ethernet switch a great choice for use at home, office or travel. [Package Content] 1. One unit of 5-port 10/100M Ethernet switch 2. One USB DC plug cable. 3. Quick installation guide