Features:1. No backlight, persistent display – Maintains the last image without continuous power after update.2. Low power consumption – Uses energy only during screen refresh, ideal for battery-powered projects.3. SPI control interface – Compatible with Arduino, Raspberry Pi, and other popular microcontroller boards.4. Built-in level conversion – Works with both 3.3V and 5V microcontrollers, no extra circuitry needed.5. Resources included – Comes with a detailed manual and sample code for quick setup.Product Details:This 2.9-inch E-Ink display provides a clear black-and-white screen that holds an image without power. It is suitable for low-power applications such as smart labels, sensors, or portable devices. Local refresh support enables fast, energy-efficient updates. The SPI interface simplifies wiring, and the onboard level shifter ensures compatibility with most development boards. Reliable and easy to integrate for prototyping or final products.Specifications:- Working Voltage: 3.3V / 5V- Communication Interface: 3-wire SPI, 4-wire SPI- Dimensions: 89.5 × 38mm- Display Size: 66.89 × 29.05mm- Resolution: 296 × 128 pixels- Display Color: Black and White- Gray Levels: 2- Partial Refresh Time: 0.3s- Refresh Power Consumption: 26.4mW (typical)- Sleep Current: