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ZKTeco K40 Pro biometric attendance terminal with 2.8 inch colour display and keypad

ZKTeco K40 Pro Biometric Fingerprint and RFID Card Time Attendance Terminal

KTI0100200RK40P

Product Description

The ZKTeco K40 Pro is a standalone biometric time attendance and basic access control terminal equipped with a 2.8-inch TFT colour display and self-service report (SSR) generation.

Make / Brand: ZKTeco
Model: K40 Pro
Display: 2.8-inch TFT Screen
Fingerprint Capacity: 1,000 templates
Card Capacity: 1,000 ID cards (125 kHz EM proximity)
Transaction Capacity: 100,000 logs
Verification Speed: ≤ 0.5 seconds
Communication Interfaces: TCP/IP client, USB-Host
Access Control Interface: 3rd-party electric lock and exit button
Standard Functions: SSR report, Workcode, SMS, DST, Record Query, Automatic Status Switch, Timed Ring, T9 Input, 9-digit User ID
Power Supply: DC 12V / 1.5A
Backup Power: Integrated backup battery (they are not included)
Operating Environment: 0°C to 45°C, 20% to 80% RH non-condensing

KTI0100200RK40P

Price

₹ 6,744.60 excl. GST

+ 18.00% Tax + Freight Charge

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Product Details
Available Brands	ZKTeco
Unit	Numbers
HSN Code	85437099
Weight	0.32 kg
Dimension	L 18.4 x W 13.6 x H 3.76 cm cm ft in m
Warranty	12 Months No-Onsite Warranty
Tags/categories	Automation Access Control, Attendance System Access Control Access Control With Memory Attendance System Finger, Card, Password Based

Usually dispatched within 5 days

About this product .

The ZKTeco K40 Pro is an economical standalone time attendance and basic access control terminal engineered for small to medium enterprise environments. Built with a compact wall-mountable housing, the unit features an intuitive 2.8-inch TFT colour screen that provides clear visual confirmation during employee clocking and system configuration.
Equipped with high-performance optical biometric scanning, the terminal supports up to 1,000 fingerprint templates, 1,000 RFID proximity cards, and a storage log buffer of 100,000 transaction records. High-speed verification processes user credentials in 0.5 seconds or less, preventing lobby congestion during peak shift start and end times.
For access management, the terminal provides integrated dry contact relay interfaces to control third-party electric strikes, electromagnetic locks, and exit push buttons. This dual-function design allows businesses to secure perimeter or office doors while simultaneously capturing accurate attendance data.
The system features flexible data exchange through an onboard TCP/IP Ethernet network port for server integration and a USB-Host port for offline retrieval. Built-in Self-Service Report (SSR) functionality allows administrators to download formatted Excel attendance reports directly onto a USB flash drive without requiring complex server installations.
Designed for reliability, the K40 Pro incorporates an integrated internal backup battery (they are not included) to ensure continuous operation and log preservation during mains power disruptions. Standard firmware functions include Workcode tagging, scheduled bell ringing, DST adjustments, and T9 text input for rapid standalone device administration.

Product Information .

Corporate Offices Industries, Factories Societies Hospitals, Clinics Shopping Malls, Showrooms Government Buildings, Offices Banks Conference Rooms Defense Sectors Server Rooms Data Centers

Hardware, Network, and Software Compatibility for ZKTeco K40 Pro

The ZKTeco K40 Pro biometric time attendance and access control terminal is engineered for straightforward integration within modern building management, physical security, and workforce administration infrastructures. Its multi-interface architecture allows it to function either as a networked endpoint or as an autonomous standalone device.

Access Control Peripheral and Hardware Interfacing

The K40 Pro features built-in wiring interfaces designed for simple door access control deployment in commercial, educational, and industrial environments:

Third-Party Electric Door Locks: Equipped with dedicated physical relay connections to drive third-party access hardware, including electric strikes, magnetic locks (maglocks), and electronic drop bolts requiring standard relay signaling.
Exit Buttons / RTE Devices: Features dedicated input terminals to connect standard request-to-exit (RTE) push buttons for egress management.
Power Input Interface: Operates on standard DC 12V / 1.5A external direct current power infrastructure, supported by an internal integrated backup battery to maintain continuous operation during grid power dropouts.

Credential and Identification Compatibility

The unit supports multi-factor authentication paradigms, allowing flexible identification matching for diverse workplace policies:

RFID Proximity Cards: Integrated with a standard 125kHz RFID card reader capable of enrolling and verifying up to 1,000 ID cards.
Biometric Fingerprints: High-performance optical sensor supporting up to 1,000 biometric fingerprint templates with high-speed verification (≤0.5 seconds).
PIN / Password & 9-Digit ID: Built-in T9 keypad input engine supporting up to 9-digit numeric User ID management and PIN-based authorization.

Network and Data Transfer Protocol Compatibility

The K40 Pro provides flexible data communication channels to ensure compatibility across diverse enterprise networking setups:

TCP/IP Client Architecture: Direct connection to Local Area Networks (LAN) via standard RJ45 Ethernet communication for centralized log pulling, employee template synchronization, and real-time event reporting.
USB Host Interface: Integrated USB Host port enabling offline environments to pull attendance records, download transaction logs (up to 100,000 log buffer), and upload user credential tables via standard USB flash drives.
Self-Service Reports (SSR): Standalone SSR reporting tool allows automated creation and export of formatted attendance spreadsheets directly to USB storage without requiring client-side database middleware.

Management Software Ecosystem

For centralized, multi-terminal enterprise rollouts, the K40 Pro is fully compatible with ZKTeco management software packages:

ZKTime.net: Seamless synchronization with ZKTime.net 3.0 desktop-based attendance management software for shift scheduling, overtime calculation, and payroll integration.
WDMS / Cloud Platforms: Compatible with push-communication attendance systems and WDMS enterprise data collectors for multi-location monitoring.
Embedded Feature Set: Built-in standard functions include Workcode selection, SMS messaging, Daylight Saving Time (DST) scheduling, direct Record Query on the 2.8-inch TFT display, Automatic Status Switch, and Timed Ring signaling.

Integration Specifications Reference

System Component	Specification / Interface Standard	Compatibility Status
Network Protocol	TCP/IP Client (RJ45 Ethernet)	Native / Integrated
Offline Data Port	USB Host Port	Native / USB Flash Drive
Card Credential Standard	125kHz RFID Proximity ID Cards	Standard (1,000 Cards)
Biometric Sensor	Optical Biometric (≤0.5s match)	Standard (1,000 Templates)
Lock Output Control	Relay Interface for 3rd Party Electric Locks	Direct Hardware Terminal
Egress Control	Exit Button Interface	Direct Hardware Terminal
Software Platforms	ZKTime.net 3.0 / WDMS / SSR Tool	Fully Compatible
Electrical Requirement	DC 12V, 1.5A Power Input	Standard DC Power Supply

ZKTeco K40 Pro Installation & System Integration Guide

Physical Mounting & Environmental Considerations

The ZKTeco K40 Pro is a compact biometric terminal engineered for wall-mounted installation in commercial offices, educational facilities, and industrial environments. The unit features dimensions of 184 mm (Length) x 136 mm (Width) x 37.6 mm (Thickness) and a net unit weight of 0.32 kg. When planning physical placement, mount the terminal at a standard ergonomic height to allow comfortable viewing of the 2.8-inch TFT screen display and easy access to the biometric fingerprint sensor and T9 keypad input.

Install the device within indoor ambient conditions matching its specified operating temperature range of 0°C to 45°C and operating humidity levels between 20% and 80% (non-condensing). Avoid exposure to direct condensation or external thermal extremes to maintain an optimal biometric verification speed of ≤0.5 seconds.

Power Supply & Backup Architecture

The terminal requires a dedicated DC 12V / 1.5A regulated power supply. The internal electronics include an integrated built-in backup battery designed to maintain uninterrupted operation, data logging, and access control functionality during unexpected AC mains power outages. Ensure primary power cabling is securely terminated to avoid voltage drops across the circuit.

Access Control & Peripheral Wiring

For standalone access control functionality, the K40 Pro is equipped with dedicated physical relay interfaces to connect third-party security hardware:

Electric Lock Interface: Onboard relay connections for switching third-party electric locks directly upon successful user authentication (fingerprint, 125kHz RFID card, or password).
Exit Button Interface: Dedicated input terminals to connect standard push-to-exit request buttons for egress management.

Communication & Network Topologies

The K40 Pro supports two primary operational topologies for attendance data synchronization and user profile management:

TCP/IP Network Integration: Connect the terminal directly to a local area network (LAN) via the Ethernet TCP/IP client interface. This configuration facilitates continuous, centralized communication with management software suites such as ZKTime.net and WDMS for real-time transaction logging across its 100,000 record capacity.
Offline Standalone Deployment: In locations without network infrastructure, the terminal operates entirely standalone. Attendance logs and employee data can be downloaded directly to a USB flash drive via the built-in USB Host port using the integrated Self-Service Reports (SSR) function.

Installation Specification Summary

Parameter	Specification
Mounting Type	Wall Mount
Dimensions (L x W x T)	184 x 136 x 37.6 mm
Net Weight	0.32 kg
Power Input	DC 12V / 1.5A
Power Backup	Integrated Built-in Backup Battery
Operating Temperature	0°C to 45°C
Operating Humidity	20% – 80% (Non-condensing)
Communication Ports	TCP/IP Client, USB Host
Access Control Interface	3rd Party Electric Lock, Exit Button

ZKTeco K40 Pro Diagnostic and Troubleshooting Guide

This troubleshooting guide provides systematic technical procedures for resolving operational, communication, biometric recognition, and hardware interface issues on the ZKTeco K40 Pro standalone time attendance and access control terminal.

1. TCP/IP Network and USB Host Communication Issues

When the management software (such as ZKTime.net or WDMS) fails to establish communication with the K40 Pro terminal via Ethernet, or when data sync fails:

Verify IP Configuration: Access the system menu via the 2.8-inch TFT display and navigate to Comm. settings. Ensure the terminal's IP address, subnet mask, and gateway match the local network configuration and avoid IP conflicts.
Check Physical Network Link: Inspect the RJ45 Ethernet cable connected to the TCP/IP client port. Ensure network switch ports are active and not blocking attendance traffic.
USB Drive Data Retrieval (SSR Function): If network communication is interrupted, utilize the USB Host port to export attendance logs directly to a USB flash drive using the Self-Service Reports (SSR) function. Ensure the USB drive is properly seated in the USB port and formatted correctly.
Port & Firewall Rules: Verify that local server firewalls are not blocking the communication ports utilized by ZKTeco attendance management platforms.

2. Biometric Verification and Fingerprint Recognition Failures

The K40 Pro provides verification speeds of ≤0.5 seconds under normal operating conditions. If the terminal exhibits slow verification or false rejections:

Sensor Surface Inspection: Inspect the optical fingerprint sensor for dirt, grease, or moisture residue. Clean gently using a dry, lint-free cloth.
Proper Finger Placement: Ensure users press their finger flat and centered against the optical prism rather than angling the fingertip.
Environmental Conditions: Ensure operating conditions are within the specified 0°C to 45°C temperature range and 20% to 80% non-condensing humidity range. Extreme dryness or excessive moisture affects biometric capture quality.
Re-Enrollment: If an enrolled template continues to fail, re-enroll the user under their assigned 9-digit User ID, registering an alternate finger if necessary within the 1,000 fingerprint capacity limit.
RFID ID Card Verification: Test authentication using a 125kHz RFID ID card against the 1,000 card capacity module to determine whether the issue is isolated to the optical biometric scanner.

3. Power Supply and Backup Battery Behavior

The K40 Pro requires a stable DC 12V / 1.5A external power feed and includes an integrated built-in backup battery for uninterrupted operation during mains failure:

Terminal Not Powering On: Verify that the external power adapter is delivering rated DC 12V and at least 1.5A. Inspect power terminal connections for loose wiring.
Power Failure Shutdown: If the unit shuts down immediately upon losing AC mains power, verify that the integrated internal backup battery has had sufficient time to charge under continuous DC 12V supply.

4. Access Control Relay and Door Lock Interface Issues

For standalone access control setups interfacing with 3rd-party electric locks and exit buttons:

Lock Fails to Release: Check the physical relay output terminals wired to the 3rd-party electric lock. Verify relay wiring polarity (NO/NC/COM) against the electric lock specifications.
Exit Button Unresponsive: Test continuity across the exit button input terminals to ensure the switch contacts close properly when pressed.
Access Permission Settings: Verify in the terminal menu that the user ID has valid access rights and that schedule restrictions are not preventing unlock triggering.

5. Memory Capacity and Transaction Log Management

The terminal supports up to 1,000 fingerprint templates, 1,000 ID cards, and 100,000 transaction records:

Memory Full Warnings: When transaction logs approach the 100,000-record threshold, download all pending attendance logs via TCP/IP or the USB Host port using SSR, perform a record query to confirm data transfer, and clear old transactions through the admin menu to maintain rapid processing speed.

Industrial and Commercial Applications of ZKTeco K40 Pro

Commercial Office Workforce Attendance & Access Management

In mid-sized corporate offices and administrative facilities, the ZKTeco K40 Pro functions as a primary biometric authentication and shift-tracking node. Supporting up to 1,000 fingerprint templates and 1,000 RFID proximity cards, the terminal processes high-throughput morning and evening clock-ins with an authentication speed of ≤0.5 seconds per transaction. Employees can verify identity via fingerprint scanning, 125kHz RFID card swiping, or alphanumeric PIN using the 2.8-inch TFT color screen and T9 numeric keypad. The 9-digit User ID support allows corporate IT administrators to map employee codes directly to existing HRMS and payroll databases without manual ID conversions.

Standalone Access Control for Secured Interior Rooms

Beyond attendance logging, the K40 Pro provides integrated physical entry management for secure facilities such as server rooms, archive archives, executive offices, and tool cribs. The unit features built-in relay terminals engineered for direct interface with third-party electric strikes, magnetic locks, and request-to-exit buttons.

Door Relay Interlocking: Directly drives third-party electric locks upon authorized biometric or RFID badge verification.
Egress Control: Accommodates push-to-exit buttons wired into dedicated terminal block inputs for fast exit processing.
Audit Trail Retention: Stores up to 100,000 non-volatile log transactions to maintain full compliance and access traceability.

Decentralized Branch Operations & Offline SSR Reporting

For remote retail outlets, construction field offices, and distributed branch networks where dedicated local IT infrastructure or permanent local servers are unavailable, the terminal operates reliably in standalone mode. Built-in Self-Service Reports (SSR) enable administrators to configure shifts, assign schedules, and export formatted attendance spreadsheets directly to a flash drive via the onboard USB Host port without requiring network cabling or server-side software.

Industrial Facilities, Warehouses, and Shift Operations

Manufacturing floors, distribution hubs, and fabrication workshops operating within standard industrial environments (0°C to 45°C, 20% to 80% non-condensing humidity) utilize the K40 Pro to organize complex shift rotations. Standard operational firmware features streamline shop-floor governance:

Workcode Assignment: Enables operators to allocate punch times to specific project codes, machine stations, or cost centers.
Automatic Status Switching: Automates standard Check-In, Check-Out, Break-Out, and Break-In punch states based on predefined schedules to eliminate user entry error.
Timed Bell Integration: Drives internal timed rings to signal shift transitions, lunch intervals, and roster changes across the facility.
Power Outage Continuity: The integrated built-in backup battery maintains terminal operation during localized power drops, preventing clock-in bottlenecks and protecting log memory.

Enterprise Multi-Site Network Integration

In multi-location enterprises, the terminal connects directly to central IT networks via its native TCP/IP Ethernet interface. Attendance data synchronizes seamlessly across distributed locations to centralized platforms such as ZKTime.net and WDMS server software, allowing HR departments to centralize payroll processing and multi-door compliance monitoring from a single corporate console.

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