Features: The 2.2inch circular display panel features a space efficient shape, perfect for integration into smart wearables and compact devices. Enjoy dynamic color and crisp visuals with 128x128 resolution technology, delivering great contrast and brightness. Designed for industrial interfaces and vehicle dashboards, persists visible in bright outdoor conditions. Works consistently in challenging environments from -25℃ to 60℃, supporting multiple screen playback. Excellent for cold chain logistics and outdoor monitoring, preventing display problems in low temperature conditions. Personalize your display with programmable color setting, enabling creative visuals for artistic applications. With DC3.3V~5.5V operating power and low 50mA consumption, it integrates smoothly into drones and portable health devices without needing power module. Specifications: Component: PCB + electronic components Support: Highly-definition dynamic display Resolution:128x128 Working Voltages:DC3.3V~5.5V Working current:50mA Size:Approx.49x46.12mm/1.92x1.81inch Color: Black Wide temperature:(-25℃~60℃) Technical parameters: Dynamic multipicture cycle,Programmable color code Usage scenarios: industrial equipment, vehicle display,smart home interaction,outdoor instruments; Package Includes: 1pc Round Display Module note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.