Face Recognition Access Control Machine | Palm Vein & Password

LUCKING DOOR M21/M22/M25 — Multi-Mode Access Control & Attendance System

Take full control of your entry points with the LUCKING DOOR M21/M22/M25 Face Recognition Access Control Machine. This advanced security terminal combines multiple verification technologies — face recognition, palm vein scanning, QR code reading, and password entry — into one sleek, wall-mounted unit. Ideal for offices, schools, factories, and residential buildings that demand reliable, contactless, and highly accurate access management.

Key Features

• Multi-Mode Verification: Facial recognition, palm vein scanning, QR code, and password — use one or combine methods for layered security.
• Large User Capacity: Supports up to 3,000 users, 3,000 face profiles, 1,000 palm vein records, and 3,000 passwords — perfect for medium-to-large organizations.
• Massive Record Storage: Stores up to 200,000 attendance or access records for comprehensive audit trails and reporting.
• Flexible Communication: Built-in USB, Wiegand, and RS-485 interfaces for seamless integration with existing access control ecosystems, door locks, turnstiles, and HR software.
• Multi-Language Support: Designed for global use with multi-language interface options for diverse teams and workplaces.
• Doorbell Function: Integrated doorbell capability adds an extra layer of visitor management convenience.
• App Management: Manage users, permissions, and attendance records remotely through the companion application — no need to be on-site for administrative tasks.
• Hygienic Contactless Options: Palm vein and facial recognition allow completely touch-free entry, promoting a cleaner, more hygienic environment.

Technical Specifications

Who Is This For?

The LUCKING DOOR M21/M22/M25 is an excellent fit for:

• Corporate offices and co-working spaces needing time-and-attendance tracking
• Schools and universities managing campus access
• Warehouses, factories, and logistics hubs requiring reliable shift management
• Residential buildings and apartment complexes seeking modern, keyless entry
• Retail stores and hospitality venues managing staff check-ins

Learn More About Access Control Standards

For guidance on electronic access control best practices and workplace safety considerations, visit the U.S. Occupational Safety and Health Administration (OSHA) and the National Institute of Standards and Technology (NIST) Cybersecurity resources.

Frequently Asked Questions

Q: How many users can the LUCKING DOOR M21/M22/M25 face recognition machine store?

A: The device supports up to 3,000 users, including 3,000 face profiles, 1,000 palm vein records, and 3,000 password entries — making it well-suited for medium to large organizations.

Q: What communication interfaces does the M21/M22/M25 access control machine support?

A: It supports USB, Wiegand, and RS-485 (485) communication interfaces, allowing easy integration with a wide range of door controllers, access systems, and HR/attendance software.

Q: Can this face recognition attendance machine be managed remotely?

A: Yes. The LUCKING DOOR M21/M22/M25 includes companion application management, enabling administrators to add or remove users, adjust permissions, and pull attendance records remotely without needing physical access to the device.

Q: Is palm vein scanning on the M21/M22/M25 contactless?

A: Absolutely. Palm vein recognition is a completely touch-free biometric method — users simply hover their palm near the scanner. This makes it ideal for hygienic, high-traffic environments.

Q: What is the record storage capacity of the M21/M22/M25 attendance machine?

A: The device can store up to 200,000 access or attendance records, providing a comprehensive audit trail for security monitoring, payroll processing, or compliance reporting.