Brand ‎HP Product Dimensions ‎33.71 x 23.44 x 1.57 cm; 1.95 Kilograms Batteries ‎1 Lithium Ion batteries are required. (included) Item model number ‎Smartbuy ProBook 640 G2 NoteBook PC Series ‎Elite Book Form Factor ‎Notebook Standing screen display size ‎14 Inches Screen Resolution ‎1920 x 1080 pixels Resolution ‎1920 x 1080 Processor Brand ‎Intel Processor Type ‎Core i7 /6gen Processor Speed ‎2.3 GHz Processor Count ‎2 RAM Size ‎8 GB Memory Technology ‎8 Computer Memory Type ‎DDR4 SDRAM Memory Clock Speed ‎2.8 GHz Hard Disk Description ‎Solid State Hard Drive Audio Details ‎Headphones Graphics Coprocessor ‎Intel HD Graphics 520 Graphics Chipset Brand ‎Intel Graphics Card Description ‎Intel HD Graphics 520 Wireless Type ‎Bluetooth Operating System ‎Windows 10 Pro, Windows 10 Home Average Battery Life (in hours) ‎3 Hours Are Batteries Included ‎Yes Lithium Battery Energy Content ‎50 Watt Hours Lithium Battery Packaging ‎Batteries packed with equipment Lithium Battery Weight ‎14 Grams Number Of Lithium Ion Cells ‎4 Item Weight ‎1.95 Kilograms