2016 Lenovo 15.6-Inch Business Laptop PC, Intel i3 Processor, 4GB Memory, 500GB HDD, LED-backlit HD Display, Webcam, HDMI, Bluetooth, Windows 7, Windows 10 Professional Intel Core i3-4005U Dual-Core Processor 1.70 GHz, 4MB Cache, Intel HD Graphics 4400 4 GB DDR3L SDRAM, 500 GB SATA 5400 RPM 15.6" LED-backlit high-definition(1366 x 768) Dislpay 16:9; 802.11b/g/n Wireless LAN + Bluetooth, , IEEE 802.11b/g/n Built-in Webcam, 1x HDMI, 1x VGA, 1x USB 2,0, 2x USB 3.0, 1xRJ-45, 1xHeadphone/Microphone Combo Port, No Optical drive Windows 7 Professional, Free upgrade to Windows 8.1 Pro or Windows 10 Pro 64-bit, Battery life up to 6 hours