This is an OLED monochrome 128 x 64dot matrix display module with I2C 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 / Arduino DUE / AVR / ARM / PIC. Interface: I2C (3.3V / 5V logic level) Resolution: 128 x 64 Angle of view: >160 degree Display color: White Power supply: DC 3.3V~5V Operating temperature: -20'C~70'C Application: smart watch MP3 thermometer instruments DIY projects etc. <img alt="" data-cke-saved-src="http://m5.img.dxcdn.com/CDDriver/img/sku_346540_101.jpg" src="http://m5.img.dxcdn.com/CDDriver/img/sku_346540_101.jpg" style="width:" 600px;"="">