EL640.400-C3 is a a-Si TFT-LCD, LCM Display screen Product from Lumineq.According to Lumineq's product specification sheet,EL640.400-C3 display has a resolution of 640×400 83PPI, Contrast Ratio is ,Viewing Angle is 89/89/89/89 (Typ.),Lamp Type is self , 50K hours,Signal Interface is 5/(11~30)V (Typ.)(VCC1/VCC2),Brightness is 50 cd/m² (Typ.).Based on its characteristics, this model is recommended for application in Industrial and other products.The weight of EL640.400-C3 after packaging is 1.000KG.We have made every effort to minimize weighing variances; however, we cannot guarantee absolute accuracy.