Embedded Optical Fingerprint Module

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SLK20M as the smallest embedded optical module in the world combines 2 megapixel image sensor with an ARM9 processor for powerful performance. With ultimate design, it can be flexibly integrated with various system applications without requiring any additional accessories.

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• Easy integration with smallest size without any extra accessories

• Stable operation under strong light source

• Durable glass touch surface

• Quick recognition of dry, wet and rough fingerprints

Technical Specifications
Material Optical
Flash 32 MB
Image Quality 2 Million pixels CMOS
Encrypted Fingerprint Data YES
Sunlight Operation Yes, Dark Field and Automatic Gain / Exposure
Water Splash YES
Dry, Wet, or Rough Fingerprints Work well
Power Consumption 5V:200mA Scanning;5V:60mA idle (waiting for finger)
Live Fingerprint Detection YES
LED White
Product Certifications FCC, CE, RoHS, PIV
Power Voltage 5V (USB) / 3.3V(TTL-RS232)
Power Current 200mA
Communication UART (115200bps / TTL3.3V) / USB 2.0
Interface Socket Molex 51021- 0700 ( 7 pin; 1.25 mm)
Image Resolution 500~1000 dpi
Effective Collecting Area 15.24 * 20.32 mm (FAP20)
Collecting Area 16.5 * 23 mm
Image Size 300 * 400 pixel (FAP20 )
Module Size 36.2 * 44.2 * 15.85mm (L*W*H)
Image Format RAW, BMP, JPG
Template ZKFinger V10.0 ; ISO19794-2 ; ANSI-378
Template Size 1- 4KB (ZKFinger V10.0);1568 B (ISO 19794-2)
Gray Level 256
Weight 0.032kg
Operating Environment -20 °C ~ +50 °C; 90% r.h.
ISO/ANSI Support ISO-19794-2/4 ANSI-378

1.56MB Data Sheet 2017-07-03
ZKFingerModule SDK-v2.5
20.26MB SDK 2017-07-20
ZKTeco Fingerprint Modules Datesheet
7.35MB Data Sheet 2017-08-18
SLK20M User Manual
0.37MB User Manual 2017-07-04
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