supply and installation of laptops , processor description : intel core i3 7020u , 2 . 3 ghz , 2 core , and higher laptop chassis material , hinges : standard abs plastic , metallic graphic card description : uhd 620 operating system ( factory pre-loaded ) : windows 10 home recovery image media : cd from the oem / stored in partition of the hard disk / usb drive from the oem / on line / cloud os certification : windows ram size ( gb ) : 4 gb 2133 mhz total numbers of dimm slots available and expandibilty : 2 nos and 16 gb or higher capacity of each hdd ( gb ) : 1000 @5400 rpm or higher connectivity : wi-fi 802 . 11ac , 10 / 100 / 1000 on board integrated gigabit port and bluetooth 4 . 2 ports : 2 usb 3 . 1 gen 1; 1 usb 2 . 0; 1 hdmi 1 . 4b; 1 rj-45; 1 headphone / microphone combo; 1 ac power display size ( inch ) : 14 non touch led hd , tn technology with 1366x768 resulation miscellaneous : internal speaker , tpm 2 . 0; security lock slot , touchpad with multi-touch gestures enabled , fingerprint reader weight ( including battery ) ( kilogram ) : maximum 1 . 55 kg battery and back up : long life 3-cell , 41 wh li-ion andminimum 9hours other certifications available : energy ster , rohs , ul , ce , fcc , bis registration under crs of meity , epeat on site oem warranty ( year ) : 1-1-1 onsite warranty