Datasheet for the PE12864-004 module, a 261 KB PDF covering what is most likely a 128 x 64 dot graphic LCD in its 004 version.

Datasheet for the PE12864ARU-004-H LCD module, distributed as a 662 KB PDF. The 12864 portion points to a 128 x 64 dot graphic display, and the ARU and 004 codes define…

Product datasheet, 721 KB PDF, for the PE12864LRU-004-H graphic LCD module. The 12864 in the code is the common shorthand for a 128 x 64 dot matrix display.