This is an OLED monochrome 128x64 dot matrix display module with SPI Interface. Comparing to LCD OLED screens are way more competitive which has a number of advantages such as high brightness self-emission high contrast ratio wide viewing angle wide temperature range and low power consumption. It is compatible with Arduino / Raspberry Pi / Arduino DUE / AVR / ARM / PIC. Interface: SPI(3.3V / 5V logic level) Resolution: 128*64 Angle of view: >160 degree Display color: White Display dimension: 0.96 inch Driver IC: SSD1306 Power supply: DC 3.3V~5V Operating temperature: -20~70'C Application: smart watch MP3 thermometer instruments DIY projects etc.