... wall, TFT wall, Composite LCD WALL,2x2 LCD,3x3 LCD TV,LCD monitor, LCD tv,Narrow Bezel LCD display ModelPD40N1 (SAMSUNG DID TFT-LCD PANEL, MODEL No: LTI400WT ... ²Contrast Ratio1200:1Color Temperature10000KViewing Angle (H/V)178/178 degreesActive Display Area2.90ft (H) x 1.63ft (V)Power SupplyAC 100V ... inch DID high resolution and high brightness Super Narrow Bezel LCD display