Panel BrandBOEPanel ModelBS398DVE-N40-6Q00 Panel Size4.0"Panel TypeLTPS TFT-LCD , CELL Resolution640(RGB)×1136, 325PPI Pixel FormatRGB Vertical StripeDisplay Area49.92(W)×88.608(H) mmBezel Opening-Outline Size53.65(W)×95.25(H) ×0.4(D) mmSurfaceWithout PolarizerBrightness0 cd/m²Contrast Ratio1000:1 (Typ.) (TM) Viewing Angle80/80/80/80 (Typ.)(CR≥10) Display ModeADS, Normally Black, Transmissive Best View onSymmetryResponse Time25 (Typ.)(Tr+Td)Glass Depth0.20+0.20 mm Transmissivity4.5% (Typ.)(with APCF)Display Colors16.7M 70% NTSCLamp TypeNo B/LFrequency-Touch ScreenWithoutDriver ICCOG Suggest 1 source chips Panel Weight-ApplicationEnvironmentOperating Temp.: -20 ~ 70 °C ; Storage Temp.: -30 ~ 80 °C