D-Link 3-Port Print Server. Network connection type: Ethernet LAN, Networking standards: IEEE 802.3. Weight: 0.292 kg. Operating temperature range (T-T): 0 - 50 °C, Operating relative humidity range: 5 - 95 %, Storage temperature range (T-T): -25 - 55 °C. Certification: FCC, CE, C-Tick, IC, CSA. Power requirements: 5.0V DC, 2.5A, Dimensions (WxDxH): 192.5 x 118.4 x 31 mm, Compatible operating systems: Windows Vista/XP/2000/NT4/ME/98SE/95 Mac OS 9.x - 10.4.x Linux