Acer Aspire 5335-2257 Intel Celeron 585 / 2.16 GHz Dimensions (WxDxH) 15.1 in x 9.8 in x 1.5 in Weight 6 lbs RAM 2 GB (installed) / 4 GB (max) - DDR2 SDRAM - 667 MHz Hard Drive 160 GB Optical Storage DVD±RW (±R DL) / DVD-RAM - integrated Display 15.6" TFT 1366 x 768 ( WXGA ) - 24-bit CineCrystal Built-in Devices Stereo speakers Wireless LAN antenna Graphics Controller Intel GMA 4500M Audio Output Sound card Telecom Fax / modem - 56 Kbps Networking Network adapter - Ethernet, Fast Ethernet, IEEE 802.11b, IEEE 802.11g, IEEE 802.11n (draft) Wireless NIC Acer InviLink Nplify Notebook Camera Integrated Input Device Keyboard, touchpad, 4-way scroll button Power AC 120/230 V ( 50/60 Hz ) Battery Lithium ion Run Time (Up To) 3 hour(s) Microsoft Windows Vista Home Premium 1 year Manufacturer warranty