commercial grade durable laptop | secure laptop (tpm 2.0 - trusted platform module for security) | spill resistant keyboard | 180 degree metal alloy hinges tested for 30000 cyclesprocessor: intel i5-1035g1 processor, base speed 1.0 ghz, max speed 3.6 ghz, 4 cores, 6mb smart cacheoperating system: this is dos based laptopdisplay: 14-inch screen with (1366 x 768) hd display | anti glare technology | connectivity: 802.11ac 1x1 wi-fi + bluetooth 4.2 | audio: 1.5w x 2 dolby audio speakersmemory: 4gb ddr4 ram | storage: 1tb hdd @ 7200rpmdesign & battery: thin and light laptop | 180 degree hinge | laptop weight: 1.6 kg | battery life: upto 5.5 hr as per mobilemark 2014this genuine lenovo laptop comes with 1 year onsite warrantypre-installed software: none | inside the box: laptop, charger, user manualports and optical drive: 2 x usb 3.0 gen1, 1 x usb 2.0 gen1, hdmi, sd card reader, audio combo jack | no optical drive