READER & STANDALONE
PRODUCT TYPE
Fingerprint reader
SPECIFICATION
143 X 143 X 40
BROCHURE
KJ-3500 Series
- Built-in Camera for T&A Verification
- Proven Excellence
- Hassle-Free Standalone
- Rugged, IP65
- Easy Installation (POE)
- Free Software & SDK

1. Proven Excellence – Trusted Over 20 Years
With a 20-year track record of reliability, the KJ-3500 has been deployed in over 120 countries and tested under various real-world conditions. Its consistent and precise biometric performance makes it a trusted choice for long-term deployments.
2. Rugged – Built Tough for Environmental Challenges
IP65-rated for water and dust resistance, the KJ-3500 is engineered for durability. It is ideal for both indoor and outdoor installations, capable of withstanding harsh industrial environments without compromising functionality.
3. Standalone – Easy to Install, Easier to Use
Designed for plug-and-play simplicity, the KJ-3500 supports standalone operation without server. Quick installation, intuitive setup, and low maintenance make it perfect for cost-sensitive or fast-paced deployment projects.
4. Multi-Modal Authentication Support
In addition to fingerprint authentication, the device supports a combination of credentials including PIN and optional photo-capture upon access. For card-based authentication, various formats such as Mifare, HID, iCLASS, DESFire and Felica are available as selectable options.
5. High-Speed Fingerprint Matching with Anti-Spoofing Support
Supports up to 50,000 fingerprint user with superb matching speed algorithm (under 1sec for 50,000users), 360 degrees direction fingerprint recognition and optional multi-spectral imaging sensors to detect fake fingerprints. Secure and scalable for enterprise or government-grade security projects.
6. Low Power Consumption – Reliable 24/7 Operation
Optimized for low power use and minimal heat generation, the KJ-3500 operates stably 24/7 without fan noise or overheating – a critical feature for long-term installations in sensitive or remote environments.
7. Management Software at No Extra Cost
The KJ-3500 comes with free GAUSS management software, supporting user enrollment, access control, time attendance, and log monitoring — all with no license fees.
8. Free SDK – Flexibility in Your Hands
You can develop your own application or integrate with third-party systems using the provided Software Development Kit (SDK) at no extra cost. Ideal for system integrators or software developers looking for customization.

DATASHEET
Category | KJ3500F | KJ3500H |
CPU | ARM9 | |
Memory | 1GB flash+256M RAM | |
Sensor | 500 DPI Optical Sensor Lumidign Sensor (Option) | |
Sensing Area | 20 x 23mm | |
Users (Fingerprint) | 5k, 10k, 30k, 50k (selectable) | |
Users (Card) | 10,000(option:50,000) | |
Event Buffer (Log) | 500,000 | |
Photo Buffer (Log) | 10,000 | |
LCD | 4.3″ Color LCD | 2.8″ Color LCD |
Keypad | 4.3″ Touch Screen | Touch Keypad |
Keypad Size | Full Touch Screen | 143 x 43 x 40mm |
Voice Output | Yes | |
Tamper Switch | Yes | |
Camera | yes (option) | |
Communication | TCP/IP, RS-485 | |
Card Format | 125khz(EM/HID/Indala/AWID prox), 13.56Mhz(ISO14443A/B, ISO15693, Mifare Classic, iClass SE/SR,Seos, Felica, CEPAS, DESFire) (selectable) | |
Input Ports | 4ea | |
Output Ports | 2 relay outputs(lock, alarm) | |
Wiegand Input/Output | 26/34/35/37/64 Bit | |
USB | SD Memory Card / USB(option) | |
FAR/FRR | 0.00001 / 0.01(%) | |
Product Size | 147 x 147 x 40mm | |
IP grade | IP65 | |
Communication | RS485, TCP/IP | |
DHCP | Yes | |
Language | Multi Language | |
Humidity | 10~90% | |
Temperature | -20~60︒C | |
Power | 12V DC 2A | |
POE | Yes | |
Certificate | CE, FCC, RoHS |

