Features: Efficient Linking Capability: The 4351 connection board facilitates smooth and consistent linking between different electronic components, ideal for embedded systems and prototype development to improve workflow with reduced errors. Secure Data Storage: This module supports protected data storage and management, utilizing standard encryption algorithms including ECC256/384 to secure safe information transfer. Compact & User Friendly Design: Features a practical size for easy integration into various development setups, with clear labels and ports to simplify action and minimize setup time. Permanent PCB Construction: Made with industrial grade PCB substance offering superior electrical properties, heat resistance, and durability compared to standard connection boards, ensuring stable data transmission. Versatile Educational & Development Tool: Perfect for student labs, technical prototyping, and hobby projects, especially in smart devices, networked systems, and secure communication development. Specifications: Materials: PCB Color: black Size: as shown in the picture Encryption function: 1K/2K, ECC256/384 Package Includes: 1PC 4351 Key Storage 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.