The module is based on Nokia 5110 which is a basic graphic LCD screen for lots of applications.
It
can be directly plugged on the Raspberry Pi B + / B motherboard to
display real time clock, CPU memory, temperature and humidity, and its
backlight can help you to read the screen clearly in the dark
environment.
Features:
Resolution: 84 x 48
Backlight color: White
Display Size: 1.6 inch
Driver IC: PCD8544
Power: 3.3V
Applications: MP3 players, thermometers, gauge, DIY projects, etc.