BrandBOEModelBF040WVMG004 Diagonal Size4.0 inchTypea-Si TFT-LCD , CELL Pixel Format480(RGB)800 WVGA 235PPIConfigurationRGB Vertical StripeActive Area51.84(H)86.4(V) mmOutline Dim.55.44(H)93.9(V) 0.72(D) mmLuminance0 cd/m²Contrast Ratio900:1 (Typ.) (TM) View DirectionSymmetryResponse Time30 (Typ.)(Tr plus Td)Viewing Angle85/85/85/85 (Typ.)(CR Greater than or equal to 10) Operating ModeADS, Normally Black, Transmissive Plate Thickness{{0}}.25 plus 0.25 mm Transmittance4.35 percent (Typ.)(with Polarizer)Support Color16.7M 70 percent NTSCLight SourceNo B/LWeightTBDDesigned ForFrame Rate-Touch PanelWithoutD-IC DetailCOG Built-in NT35510 EnvironmentOperating Temperature: -20 65 degree ; Storage Temperature: -40 85 degree