Features: The ZW101 Fingerprint Single Channel Module integrates advanced biometric authentication with circuit control, delivering and 99% recognition accuracy for secure access management in control . Built with fiberglass board and a streamlined single channel design, this module ensures stable in fluctuating environments while simplifying wiring complexity for industrial automation equipment integration. Ideal for electronics engineers, enthusiasts, and developers working with or projects requiring secure, space efficient access . Perfectly suited for smart home security , industrial machinery automation, and compact embedded applications where fingerprint based authentication enhances operational safety. Engineered with 3.3V/5V compatibility and pre drilled mounting holes, this fingerprint module enables effortless installation and customization for prototypes or access control upgrades. Specifications: Making: 4 glass fiber board Size: 2.5x7.95cm Color: blue Package Includes: Host ZW101 fingerprint single module 1Pcs note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution