Specification: Origin: Mainland China Type: Module Condition: New Model Number: OLED LCD Module Resolution: 128*64 (Pixel) Module interface: IIC, VCC, GND, SCL, SDA Module size: 27mmx27mm/1.06x1.06inch Viewing angle: >160° Working temperature: -20℃-70℃ Storage temperature: -30°C-80°C Working voltage: 3.3V/5V Power consumption: about 25mA when fully on, about 1.5mA when fully off. 1. This product is an OLED screen display controlled by I2C bus. 2. The screen size is 0.91 inches, with high resolution and low power consumption. 3. The working voltage power supply is 3V-5V, compatible with 3.3V and 5V level logic, no need for level conversion chips. The module is divided into three colors: white, blue, and yellow-blue. 5. High resolution: 128x64 (same resolution as 12864, high PPI) 6. Super large viewing angle: greater than 160° (a screen with the largest viewing angle in the display screen) 7. Ultra-low power consumption: normal display 0.06w (far lower than TFT display) 8. The IIC interface only needs 2 IOs to light up easily 9. -grade process standards, long-term stable work 10. Provide rich routines and provide technical support for underlying drivers Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement. Included: 1 X LEDModule 1 X 4-Pin Pinout