Brand Dell Product Dimensions 7.88 x 24.08 x 20.64 cm; 6.99 kg Batteries 1 Lithium Ion batteries required. Item model number S2721DGFA Manufacturer Dell Series S2721DGFA Colour Black Standing screen display size 27 Inches Screen Resolution 2560x1440 Resolution 2560 x 1440 Pixels Number of USB 3.0 Ports 5 Number of HDMI Ports 2 Voltage 220 Wattage 29.1 watts Are Batteries Included No Lithium Battery Energy Content 2 Kilowatt Hours Lithium Battery Packaging Batteries packed with equipment Lithium Battery Weight 2 g Number Of Lithium Ion Cells 5 Number of Lithium Metal Cells 5 Item Weight 6.99 kg Guaranteed software updates until unknown