Model: HTG12864K1-K LCD Model: COG
Outline Size: 77.5*51.3mm  View Size: 70.7*38.8mm 
Controller: NT7534 
LCD display  Type :DFSTN ,Negative ,transmissive
Viewing Direction :6H
Duty :1/65   Bias :1/9
operating voltage :3.0V
operating temperature :-10~60 degree centigrade
storage temperature :-20~70 degree centigrade