Features: This oleds display module with EC11 rotarys encoders combines high contrast 1.3"/0.96" screens and precise parameters control through IIC interfaces, for projects. Featuring two oleds size (1.3" & 0.96"), multiple display modes, and low power operations, the PCBs baseds module ensures integration in electronics designs. for electronics engineers, DIY enthusiasts, and developers responsive interfaces for prototyping IoT devices, measurement tool, or interactives control panel. Optimizes parameters adjustments in embeddeds systems, realtime data monitoring for lab equipment, or menu navigation in portable gadgets with space saving encoders display combo. Its pre programmable architecture and standardized IIC communication protocol simplifys customization while maintaining compatibility with popular development platforms. Specifications: Materials: PCBs Size: 64.9x35mm Size: 0.96inch, 1.3inch(optional) Package Includes: 1PC 0.96/1.3inch oleds Display Module note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the Pictures may not reflect the actual of the item.