Features: Featuring a high resolution 800×480 E inks display with four gray scale levels, this 3.97inch screen delivers sharply text/graphics while maintaining low power consumption, perfect for Raspberry and projects. Equipped with SPI communication, the energy efficient e paper module supports seamless integration across for embedde systems for flexible prototyping. Ideal for developers, electronics enthusiasts, and engineers seeking reliability display solution for intelligent home devices, portable terminals, or industrial e label applications. Optimize visibility in low light environments with its wide viewing angles and paper like readability, suitable for digital signage, sensors dashboards, and battery operated gadgets. The PCB based e inks panel combines 800×480pixel claritys with four levels grayscale contrast, enabling detailed schematics and clear data visualization in energy sensitive embedded systems. Specifications: Component: PCB Size: Approx.96.62x56.24mm/3.8x2.21inch Working Voltages: Screen: 3.3V, Resolution: 800x480pixels View angles: 170° Communication Interfaces: SPI Option Type:E-inks Display Screen,E-inks Display Screen with drive; Applicable scenario:Education and Learning, Package Includes: 1pc E-inks Display Screen note: Please allow 1-3cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.