Character LCD Module Model: ACM1604A Series LCD Module Dimension: 80.0(W)X36.0(H)X13.5(T)mm LCD Viewing Area: 64.5*13.8mm Drive voltage: 5.0V LCD Type: STN Blue /STN yellow/STN gray, FSTN Operating temp: STD. temp. / Wide temp. Storage temp: -20 c to +70 c Polarizer Mode: Transmissive/Transflective/Reflective Backlight: Edge / bottom led backlight RoHS Compliance