Check the listing for details. Linksys Etherfast Cable/DSL Router with 4-Port Switch (BEFSR41 Ver.4.1). Color: Blue/Black, Condition: Open box. Listed at 45.95 USD. Linksys EtherFast Cable/DSL Router with 4-Port Switch (BEFSR41 v4.1). Open Box - Complete with Device, Power Supply, Ethernet Cable, Start up Disc w/Guide (Resealed) Shipped with USPS Parcel Post SPECIFICATIONS: Model BEFSR41 Standards IEEE 802.3 (10BaseT), IEEE 802.3u (100BaseTX) Ports One 10/100 RJ-45 Port forBroadband Modem Four 10/100 RJ-45 Switched Ports Button Reset Cabling Type Ethernet Category 5 LEDs Power, Ethernet, Internet UPnP able/cert No OS Support Windows 98SE/Me/2000/XP/Vista/7/8/8.1/10 Network Protocols TCP/IP ENVIRONMENTAL: Dimensions 7.31" x 6.16" x 1.88" (186 x 154 x 48 mm) Unit Weight 11.40 oz. (320 g) Power External, 12V AC, 0.5A Certifications FCC, CE Operating Temp. 0 to 40ºC (32 to 104ºF) Storage Temp. -20 to 70ºC (-4 to 158ºF) Operating Humidity 10% to 85%, Noncondensing Storage Humidity 5% to 90%, Noncondensing