Features: This is a 1.5 inches OLED display module of 128x128 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. OLED display module also has a much faster response time than an LCD. The display with small dimension is suitable for MP3, function cellphone, smart health device, etc. Specifications: Display Size: 1.5in Resolution: 128*128 Color: 262,144 colors Driver IC: SSD135 Size: 40*34mm/1.57*1.33in Serial Peripheral Interface Pins: 1.GND-Gound 2.VCC-Positive Voltage 3.SCL-Clock Line 4.SDA-Data Line 5.RES-Reset 6.DC-Data/Demand 7.CS-Chip Select 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.