The BTHQ21608VSS-STF-LED is a 16-character (5 x 8 dots) x 2 lines STN positive yellow transflective dot matrix LCD Module with 6 O"clock direction viewing angle and 1/l6 duty, 1/5 bias driving scheme. "SITRONIX" ST7066U-OA (die form) LCD controller and driver or equivalent. "SAMSUNG" KS0070BP-00CC (die form) LCD controller and driver or equivalent.