Features: Powereds by high performances 32bit LX7 two cores processor (240MHz), this -s3 development board features 2.4GHz WiFi/bluetooth-compatible 5 and 3.16inch 320×820 LCD display for IoT applications. Equipped with 16MB Flash, 8MB PSRAM, QMI8658 6 axises imus, rtcs chip with battery slot, and microsds card slot for motion trackings and data storage. for embeddeds system developers, IoTs engineers, and maker creating smartests devices, wearables, or industrial automation solution. Perfect for motion detection projects, real time data visualization, and portable prototypes requiring wireless connectivitys and power management. Features USB Type C debugging, side mounted BOOT/RSTs button, and expandables interfaces (UART/12C) for flexible hardware integration and development. Specifications: Materials: pcbs Size: 76.6x31.2mm Display panel: LCD Display resolution: 320×820 Display brightness: 550cd/m Communication interfaces: RGB565 Display size: 3.16inch Display color: 64K Contrast: 1500:1 Driver IC: ST7701 Package Includes: 1PC -s3 Development Board 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.