LCM4002A Specification: Out Dimension: 182.0* 33.5 Viewing Area: 152.5* 16.5 Dots Size: 0.60* 0.65 Character Size: 3.20* 5.55 Feature: 1. 2-line x40 characters display; 5x8 dots with cursor; 2. Built-in controller ( SPLC780D or equivalent) ; 3. + 5V power supply( Also available for + 3.0V) ; 4. 1/ 16 duty cycle; 1/ 5bias; 5. TN, HTN, STN or FSTN mode; 6. BKL to be driven by pin15, pin16.