Features: This is a 1.3 inch OLED display module of 128x64 resolution in which the emissive electroluminescent layer is a film of organic compound that emits light in response to an electric current. Working without backlight, the OLED display module could give out light by itself. In low ambient light conditions such as a dark room, an OLED screen can achieve a higher contrast ratio than an LCD. OLEDs also have a much faster response time than an LCD. The display with small dimension is very suitable for MP3, function cellphone, smart health device, etc. Specifications: Display Size: 1.3" Text Color: White Resolution: 128x64 Driver IC: SH1106 Input Voltage: 3.3V/5V Pins: GND: (Ground) VCC: (Power) SCL: (Clock) SDA: (Data Cable) Package Includes: 1 x OLED Display Module Note: This kit requires certain professional knowledge and ability, please make sure you know how to wire and use it. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.