Table 20. Battery specifications (continued)Description Option one Option twoCAUTION: Dell recommends that you charge the battery regularly for optimal power consumption. If yourbattery charge is completely depleted, connect the power adapter, turn on your computer, and then restartyour computer to reduce the power consumption.DisplayThe following table lists the display specifications of your Vostro 15 3530.Table 21. Display specificationsDescription Option one Option twoDisplay type 15.6-inch High Definition (HD) 15.6-inch Full High Definition (FHD)Touch options No NoDisplay-panel technology Twisted Nematic (TN) In-Plane Switching (IPS)Display-panel dimensions (active area):Height 193.54 mm (7.62 in.) 193.59 mm (7.62 in.)Width 344.23 mm (13.55 in.) 344.14 mm (13.55 in.)Diagonal 394.91 mm (15.55 in.) 394.87 mm (15.55 in.)Display-panel native resolution 1366 x 768 1920 x 1080Luminance (typical) 220 nits 250 nitsMegapixels 1.05 2.07Color gamut 45% NTSC 45% NTSCPixels Per Inch (PPI) 100 141Contrast ratio (min.) 400:1 600:1Response time (max.) 20 ms 35 msRefresh rate 60 Hz 120 HzHorizontal view angle 40 +/- degrees (min.) 80 +/- degrees (min.)Vertical view angle 10 (Top)/30 (Bottom) degrees (min.) 80 +/- degrees (min.)Pixel pitch 0.252 mm x 0.252 mm 0.17925 mm x 0.17925 mmPower consumption (maximum) 4.20 W 5.25 WAnti-glare vs glossy finish Anti-glare Anti-glare26 Specifications of Vostro 15 3530