ZKTeco zk K40 Biometric Time Attendance Terminal represents a reliable and cost-effective solution for organizations seeking robust fingerprint-based time tracking with integrated access control functionality. This compact terminal combines essential workforce management features with self-service reporting capabilities, making it particularly suitable for small to medium-sized businesses requiring dependable employee time tracking.

Core Technology and Display Features

Fingerprint Recognition System:

• High-precision optical fingerprint sensor with 3,000 template capacity
• Advanced algorithm ensures accurate identification within seconds
• False rejection rate optimized for consistent daily usage
• Suitable for environments with moderate to high employee traffic

Visual Interface:

• 2.8-inch TFT color display provides clear visibility in various lighting conditions
• Intuitive menu navigation designed for user-friendly operation
• Multi-language support accommodates diverse workplace environments
• T9 input functionality simplifies data entry and user interaction

Self-Service Reporting and Data Management

The ZKTeco K40 incorporates sophisticated Self-Service Report (SSR) functionality that empowers employees to access their attendance records directly from the terminal. This feature significantly reduces administrative workload while providing transparency in time tracking processes.

SSR Capabilities

• Built-in Excel software integration for automated report generation
• Employees can query personal attendance history independently
• Real-time data access eliminates delays in attendance verification
• Customizable report formats meet various organizational requirements

Data Storage and Processing

• 100,000 transaction record capacity supports extensive historical data retention
• 14-digit User ID system accommodates large employee databases
• Automatic status switching streamlines daily operations
• Workcode functionality enables detailed job tracking and project time allocation

Connectivity and Integration Options

Communication Protocols

The terminal supports dual communication methods ensuring reliable data transmission:

TCP/IP Network Connectivity:

• Standard Ethernet connection enables real-time data synchronization
• Network integration allows centralized management across multiple locations
• Secure data transmission protocols protect sensitive employee information
• Compatible with existing IT infrastructure requirements

USB Host Functionality:

• Direct data export capabilities simplify backup and data transfer processes
• USB flash drive compatibility enables offline data management
• Firmware updates can be performed efficiently through USB connection
• Portable data access supports flexible reporting requirements

Access Control and Security Features

The ZKTeco K40 extends beyond time attendance to provide fundamental access control capabilities, making it a versatile security solution for entry point management.

Physical Access Management

• Interface compatibility with third-party electric locks
• Exit button integration supports secure egress control
• Simple access control programming accommodates basic security requirements
• Door status monitoring ensures proper facility security

Power Management and Reliability

• Built-in backup battery eliminates attendance data loss during power outages
• Uninterrupted operation maintains continuous time tracking functionality
• Battery backup supports extended operation during electrical disruptions
• DC 12V/1.5A power supply ensures stable performance

Environmental Specifications and Installation

Operating Conditions

The terminal operates reliably across a wide range of environmental conditions:

• Temperature range: 0°C to 45°C supports various climate conditions
• Humidity tolerance: 20% to 80% ensures functionality in diverse environments
• Compact dimensions (184×136×37.6mm) facilitate flexible mounting options
• Durable construction withstands regular workplace usage

Installation Flexibility

• Wall-mount or desktop installation options accommodate different space requirements
• Minimal wiring requirements simplify deployment processes
• Standard electrical connections reduce installation complexity
• Professional installation guidelines ensure optimal performance

Optional Enhancements and Expandability

Card Reader Integration

Organizations requiring multi-modal authentication can integrate ID/IC card functionality:

• Dual authentication methods enhance security protocols
• Card capacity supports 3,000 additional user credentials
• Flexible authentication policies accommodate various security levels
• Seamless integration with existing card-based systems

External Bell Functionality

• Schedule-based bell activation supports shift change notifications
• Automated announcements reduce manual intervention requirements
• Customizable scheduling accommodates varying operational schedules
• Audio feedback confirms successful attendance registration

Implementation Benefits for Organizations

Operational Efficiency Improvements

Organizations implementing this time attendance solution typically experience measurable improvements in workforce management accuracy. The system eliminates manual time card processes while providing detailed attendance analytics for informed decision-making.

Cost-Effectiveness Analysis

• Reduced administrative overhead through automated data collection
• Elimination of paper-based time tracking systems
• Decreased payroll processing time through accurate data integration
• Long-term reliability minimizes replacement and maintenance costs

Compliance and Audit Support

• Comprehensive audit trails support regulatory compliance requirements
• Accurate time records facilitate labor law adherence
• Detailed reporting capabilities satisfy internal and external audit needs
• Data integrity measures ensure reliable record keeping