Features: Elevates your projects with the RDM6300 Card Reader Module, featuring advanced technology for card reading and identification. With a RDM6300 chip and UART serial port output, this module ensures reliable communication and high precisions in data transfer for your electronics. For enthusiasts hobbyists, this reader module is perfect for anyone passionate about hardware and project development. Enhances security and efficiency in entry management systems or integrate into home applications for control, such as intelligent door lock. The low power consumption make it a excellent addition to educational setting, aiding students and institutions in hands on electronic learning experiences. Specifications: Material: PCB Power Supply: 5V Coil Inductance: 47-68μH Length: About. 38.5mm/1.52in Package Includes: 1pc Card Reader Module note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.